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IVQs in Electrical and Electronic Engineering (8030

1. examination Topic weighting Testing and measurement 14 Transmission and distribution 20 Power factor improvement 8 DC Machines 20 AC Machines 20 Transformers 18 46 IVQ in Technician Awards in Electrical and Electronic Engineering 8030 2000 215 Electrical Practical Assignments Practical assignments 215 1 Earth Electrode and Soil Resistivity Tests 1 Competence references 214 1 2 Preparation 2 1 2 2 2 3 2 4 Location of tests The training centre or other venue where supervision and appropriate outdoor work area will be provided Requirements 1 Earth tester megger or equivalent 4 Earth rods or steel rods approximately 1 2 metres long and 16 mm diameter 4 Steel rods 0 5m long and 10mm diameter 1 Set of connecting leads and clamps 11kgor2kg hammer Pens pencils paper and graph paper Instructor notes Candidates may undertake the work in pairs provided results and analysis is carried out independently Candidates have 3 hours to complete this assignment Instructor instructions The proposed outdoor work site should be checked to ensure that there are no buried services which could be damaged It may be useful for the instructor to demonstrate each procedure before allowing candidates to proceed Syllabus 2000 edition 47 3 Candidates instructions 3 14 The time allowed for this assignment is 3 hours You are required to carry out and record earth electrode
2. 442 The workhanded in to the instructor 5 Assignment completion The candidate will have satisfactorily completed this assienment if successful in all items marked witha andatleast ofthe items marked witha 26 IVO in Technician Awards in Electrical and Electronic Engineering 8030 2000 211 Computer Aided Communication Practical assignment 211 3 Word Processing A Business Letter 1 Competence references 211 23 211 32 2 Preparation 2 1 2 2 2 3 Location of test The training centre or other venue where supervision and appropriate working conditions will be provided Requirements Computer system providing access to word processing software and printer Word processing software user manual Headed paper suitable for the printer Copy of section 6 Instructor notes In this assignment the dimensions for margins etc are expressed in centimetres If different units are required the candidate s instructions must be modified accordingly Instructions for setting tabs should be amended if necessary to match the position of the printed company address on the headed paper to be used 3 Candidates instructions S 3 2 3 3 3 4 35 3 6 3 7 3 8 3 9 3 10 341 The time allowed for this assignment is 2 hours In this assignment you are required to produce a business letter see section 6 and lay it out in a suitable style You are advised to read all ofthe instructi
3. O OV oV 42 IVQ in Technician Awards in Electrical and Electronic Engineering 8030 2000 214 Electrical Power Introduction This syllabus extends the range of fundamental power topics and consolidates previous work on the fundamentals of dc machines ac machines and transformers It also covers the principles of measurements and the distribution of electrical energy Practical competences The candidates must be able to do the following 214 1 Carry out and record earth electrode and soil resistivity tests 214 2 Investigate and record a metering installation for small industrial commercial premises 214 3 Investigate and record the basic layout of the system and types of equipment used in industrial commercial distribution systems Knowledge requirements Instructors must ensure that candidates are able to Testing and Measurement 214 4 Show with the aid of a labelled circuit diagram how a dynamometer wattmeter is connected in circuit 214 5 Show with the aid of a labelled circuit diagram how a single wattmeter may be used to measure the power per phase in ac loads Loads balanced three phase star connected delta connected 214 6 Show with the aid of a labelled circuit diagram how two wattmeters may be used to measure the total power ina three phase three wire load 214 7 Calculate the total power measured by the two wattmeter method from the algebraic sum of the wattmeter readings P4 and P 214
4. Oo 214 19 ca etch a single line diagram of a typical three phase upply system from generator to consumer terminals uU 214 20 Statethe advantages and disadvantages of various distribution systems Systems radial closed ring open ring 214 21 Explain why transformers are used in transmission and distribution systems 214 22 Describe with the aid of diagrams the difference in use between three wire and four wire three phase systems 214 23 Describe with the aid of diagrams the principles and methods of earthing of supply systems Systems TN TN C TN S TN C S TT IT 214 24 Describe with the aid of a diagram a small industrial commercial distribution system 214 25 Describe factors influencing the choice of cable for particular applications Factors installation environmental 214 26 State advantages and disadvantages of materials commonly used for cable conductors insulation and sheathing Syllabus 2000 edition 43 214 27 214 28 214 29 214 30 214 31 214 32 214 33 214 34 214 35 Define the term dielectric stress Describe methods of stress control in high voltage cables and cable terminations Methods grading intersheathing Describe the function of types of switchgear used in distribution systems Types of switchgear circuit breaker disconnector isolator oil switch switch fuse Describe the basic methods of arc control in circuit breakers Methods oil a
5. 1 Giltspur Street London EC1A 9DD T 44 0 20 7294 2468 F 44 0 20 7294 2400 www cityandguilds com IVQs in Electrical and Electronic Engineering 8030 2000 Level 3 IVQ Technician Diploma in Electrical and Electronic Engineering Electrical Engineering Electronic Engineering 8030 22 500 5762 5 Qualification handbook for centres Copyright This document is copyrighted by City amp Guilds except where the copyright is acknowledged to be held by another party Permission is given however for registered testing centres to reproduce pages for their own use ST00029394 09 09 PO4500055973 This page is intentionally blank Contents 05 Important notice 13 Syllabus 06 Levels of City amp Guilds qualifications IVQ in Electrical and Electronic Engineering 8030 2000 07 IVQin Electrical and Electronic 14 210Engineering Fundamentals 2 Engineeering 8030 2000 20 211 Computer Aided Communication Practical Assignments 07 About City amp Guilds 29 212 Electronics 07 Introduction to this programme 33 213 Electronics Practical Assignments 07 Certificate 43 214 Electrical Power 07 Diploma 47 215 Electrical Practical Assignments 07 Advanced Diploma 07 Full Technological Diploma 55 Appendix A 07 Making entries for assessments Practical assignments 07 Resources 55 Practical as
6. input impedance Z14 output impedance Zo Types series parallel voltage current Describe briefly the operation of simple single stage negative feedback amplifier circuits and determine their approximate gain Circuits unbypassed emitter or source resistor emitter or source follower voltage feedback from output to input 30 IVQ in Technician Awards in Electrical and Electronic Engineering 8030 2000 Oscillators 212 32 212 33 212 34 212 35 212 36 212 37 212 38 Define oscillators as general feedback amplifiers with positive regenerative feedback State the conditions for sine wave oscillations to be generated Conditions eain must be infinite loop gain must be 1 must occur at a single frequency Describe the operation of a 3 stage RC phase shift oscillator Describe with the aid of a circuit diagram the operation of asingle tuned circuit oscillator Perform calculations of gain and frequency of RC and tuned circuit oscillators State the frequency range of RC and LC oscillators Frequency range RC low frequency and audio LC high frequency State the advantages of using crystal control in oscillators Advantages preset frequencies high stability Operational amplifiers 212 39 212 40 212 41 212 42 State the characteristics of a typical operational amplifier Characteristics open loop gain is high input resistance is high output resistance is low gain bandwidt
7. the input signal setting to a 1kHz square wave having an amplitude of 20V peakto peak Repeat steps 3 2 3 and 3 2 4 Conclusions 3 31 Forthe networks explain the reasons for the shapes ofthe output waveforms and the associated voltage levels 3 3 2 Write your name on your work and hand it in to your instructor Syllabus 2000 edition 33 4 Marking 44 4 2 4 3 34 Assignment completed in three hours Signal connections and test procedures 4 21 Eachofthe networks shown in section 6 figures 1a 1b and 1c connected inturn to a signal generator and oscilloscope as shown in figure 2 4 2 2 For network 1a the function generator set to give a 1kHz sinewave having an amplitude of 24V peakto peak This waveform monitored on channel 1 ofthe oscilloscope 4 2 3 Observation of the output waveform of the network on channel 2 of the oscilloscope 4 2 4 Theshape ofthe waveform sketched and the voltage levels recorded of both the negative and positive peaks measured with respectto zero volts of dc 4 2 5 Network 1a replaced with network 1b and steps 3 2 3 and 3 2 4 repeated keeping the same input signal 4 2 6 Network 1b replaced with network 1c and the input signal setting changed to a 1kHz square wave having an amplitude of 20V peak to peak Steps 3 2 3 and 3 2 4 repeated Conclusions 4 31 For the networks explanation given for the reasons for the shapesof the output waveforms and the associa
8. 212 25 212 26 Feedback 212 27 212 28 212 29 212 30 212 31 Describe the operation of a single stage transistor amplifier circuit Circuit common emitter BJT common source FET Explain the occurrence of signal distortion under the Class A operation Calculate the voltage and current gains of two stage amplifiers using the appropriate equivalent circuits and typical device parameters Amplifiers common emitter common source Devices bipolar transistor field effect transistor Sketch typical small signal frequency response curves gain in dB against logarithmic frequency for an amplifier and state the reasons for the fall in gain at low and high frequencies Define bandwidth as the frequency band between the two frequencies where the gain of an amplifier has fallen by 3dB from its mid band value Explain briefly the various modes classes of operation used in amplifiers Modes A B C D Describe briefly using block diagrams the basic principles of positive and negative feedback Define feedback factor and calculate the eain of an amplifier having a negative feedback loop with a feedback factor p Explain the effects of negative feedback Negative feedback reduces noise reduces distortion stabilizes eain modifies bandwidth modifies input and output impedances Describe the types of negative feedback and compare their performances Performance voltage gains Ay current gain Aj
9. 3 2 1 3 2 5 above 3 2 7 State the types of protection used for each part of the system 3 2 8 For each section of the system explain what will happen in the event of a fault arising within that section 3 3 Putyourname on your work and hand it in to the instructor Syllabus 2000 edition 53 4 Marking 44 4 21 4 2 2 4 2 3 4 2 4 4 2 5 4 2 6 4 2 7 4 2 8 4 3 Assignment completed in 2 hours excluding write up Layout of the substation sketched correctly Switchgear type and rating stated correctly Type of protection stated correctly Other substation equipment identified correctly Line and block diagram of the distribution system is a fair representation of the system Function ofthe main components of the system described correctly Basic protection installed for each part of the system stated correctly Operation of protection for faults arising on the system described correctly Work handed in 5 Assignment completion The candidate will have satisfactorily completed this assignment if successful in all items marked with a items marked witha A period of seven days must elapse before an unsuccessful candidate may retake this assienment 54 IVQ in Technician Awards in Electrical and Electronic Engineering 8030 2000 and atleast 1 ofthe Appendix A Practical assignments Two assessment methods are used in the 8030 2000 Technician Awards in Engineering
10. Calculus 8 Science Statics stress and strain 0 Kinematics dynamics and simple machines 5 Heat 5 dc electrical circuits 10 ac current theory 10 Electrical machine and electrical measurements 10 Syllabus 2000 edition 19 211 Computer Aided Communication Practical Assignments Introduction The aim of this unitis to increase candidates skills in computer technology and in particular with databases spreadsheets and word processing packages Practical competences The candidate must be able to do the following Database 2111 Load database software from the operating system or graphical user interface GUI 211 2 Define and create a database structure to store a given set of data 211 2 Enter data into a database file 211 3 Save a database file to disk with an appropriate filename in a given location Location eg on hard disk on floppy disk in sub directories in network user area 211 4 Modify a database structure Modify add fields delete fields change data type change field length 211 5 Define and execute a single condition search for values on numeric string and date logical fields using appropriate operators Operators less than lt greater than gt equal to less than or equal to lt greater than or equal to gt not equal to lt gt is the same as is not the same as contains the string comes before comes after 211 6 Use Boolean operators to define and execute
11. Electrical Power written paper which lasts three hours Total two written papers There are no practical assignments for this award Technician Diploma in Applied Electronic Engineering To carry out what is needed for the Technician Diploma in Applied Electronic Engineering candidates must be successful in all ofthe following assessments 8030 22 210 Engineering Fundamentals 2 written paper which lasts three hours 8030 22 211 Computer Aided Communication Practical Assignments 8030 22 212 Electronics written paper which lasts three hours 8030 22 213 Electronic Practical Assignments Total two written papers The practical assignments are carried out during the learning programme and should be finished by the date ofthe written examination so you can send all the results to us See appendices A and B To receive this award candidates must complete the following practical assignments 211 1 211 2 211 3 213 1 213 2 and 213 3 Total six practical assignments Technician Diploma in Electronic Engineering Theory To carry out what is needed for the Technician Diploma in Electronic Engineering Theory candidates must be successful in all of the following assessments 8030 22 210 Engineering Fundamentals 2 written paper which lasts three hours 8030 22 212 Electronics written paper which lasts three hours Total two written papers There are no practical assignments for this award Fixed and free dates assi
12. Headings and input data correctly entered the new values for the power consumed Obtain a print of your results 4 3 Output data and column headings correctly entered 3 9 Produce a graph chart of the new values of power watts 4 4 Equations correctly entered against phase angle degrees and label the axes and add an appropriate title Obtain a print of your graph chart 4 41 Equation2 correctly entered and copied 3 10 Change the value ofthe resistors to Ry 30 ohms R2 15 4 4 2 Equation 1 correctly entered and copied ohms and R3 10 ohms and observe the new values for the power consumed Obtain a print of your results 4 5 Columns formatted correctly and values displayed to3 and 1 decimal places respectively 311 Produce a graph chart of the new values of power watts against phase angle degrees and labelthe axes and add 4 6 Aprint out of the spreadsheet obtained an appropriate title Obtain a print of your graph chart 4 7 The graph chart constructed and a print of the 312 Ensure your name is on your disk and all your print outs graph chart obtained and hand them to the instructor 4 8 The modified values of the power consumed due to current change produced and printed out 4 9 The modified graph chart constructed and printed 410 Themodified values ofthe power consumed due to resistance changed and print out obtained 441 The modified graph chart constructed and printed
13. ONE ohms 10 R2 RESISTANCE TWO ohms 5 R3 RESISTANCE THREE ohms 2 Under a sub heading OUTPUT DATA enter the column headings and values as given below Column Headings PHASE PHASE POWER ANGLE ANGLE CONSUMED degrees radians watts Fill the first column with values ranging from 0 to 360 in increments of 10 degrees Enter and copy the equations given below Please note that PAD PHASE ANGLE degrees PAR PHASE ANGLE radians and P POWER CONSUMED watts Equation 1 P I 2 Sin PAR 1 R4 1 R2 1 3 Equation2 PAR PAD 3 142 180 3 41 Insert equation 2 atthe top ofthe second column and copy the formula over the whole range 0 to 360 degrees This activity will convertthe values in degrees in column 1 into radians in column 2 3 4 2 Insert equation 1 atthe top ofthe third column and copy the equation over the whole range 0 to 360 degrees This activity will calculate the power consumed for each incremental value of phase angle Format the contents of column 2 and column 3 so thatthe display indicates values to 3 and 1 decimal place s respectively Obtain a print of the spreadsheet Syllabus 2000 edition 25 3 7 Produce a graph chart of power consumed watts 4Ma rking against phase angle degrees label the axes and add an appropriate title Obtaina print of your graph chart 41 The assignment completed in3 hours 3 8 Change the value of current to 15 amps and observe 4 2
14. System or GUI 211 24 Open a new document 211 25 Layout and enter a simple business letter following a specified house style 211 26 Edit the contents of a document Edit correct errors insert word s delete word s insert paragraph breaks delete paragraph breaks move a block oftext copy a block of text 211 27 Improve the layout of a document Improve the layout change justification left right centre fully justified indent paragraphs set tabs change margins top bottom left right change page size orientation 211 28 Improve the appearance of a document Improve the appearance enhance text bold italic underline change fonts type size 211 29 Spell check a document 211 30 Save a document with an appropriate filename in a given location Location eg floppy disk hard disk sub directory network user area 211 31 Produce a printed copy of a document on headed paper 211 32 Exit word processing software 211 Computer Aided Communication Practical assignment 211 1 Engineering Database 1 Competence references 211 1 211 9 2 Preparation 2 1 2 2 2 3 Location of the test The training centre or other venue where supervision and appropriate working conditions will be provided Requirements A computer system running appropriate database software and printer connected to the system with paper loaded and set up ready to print Database software manual Copy of section 6 Instructo
15. ac voltage and current when a constant voltage is applied to pure components Components resistance inductance capacitance For each case in 210 111 sketch graphs of current and voltage against time and the corresponding phasor diagrams Syllabus 2000 edition 17 210 113 Drawto scale phasor diagrams representing alternating currents and voltages ina series circuit containing capacitance and resistance and inductance and resistance 210 114 State that the power factor of the circuits in 210 113 is cos where is the phase angle between the supply current and the voltage 210 115 State that the true power in an ac circuit is given by Vicos where cos amp is the power factor 210 116 Solve simple problems involving the calculation of power in ac circuits 210 117 Explain the principle of operation of an ideal transformer and usethe relationship Ex Ny Is to solve simple problems E NM Ip Electrical machines 210 118 State the principle of electromagnetic induction and explain the operating principles of electric motors and generators 210 119 Describe a three phase ac supply and explain how it can generate a rotating magnetic field 210 120 Describe the external characteristics and uses of series and shunt wound dc motors 210 121 Describe the external characteristics and uses of ac induction and synchronous motors 210 122 Explain the need for specialised starter equipment and protection
16. an ideal transformer P P FOCUS Sketch and explain the no load phasor diagram of atransformer Sketch a phasor diagram for eiven values of no load primary current and power factor and secondary current and power factor Calculate primary current and power factor from given data Sketch and explain the transformer equivalent circuit for load conditions State the losses for no load and load conditions Explain the reasons for laminating the core of atransformer Describe open circuit and short circuit tests and their use in determining losses and efficiency Solve problems for transformers involving losses and efficiency using open circuit and short circuit test data Define voltage regulation Calculate voltage drop and regulation for various loads atlagging power factors Describe how a transformer winding can be tapped to provide various voltage outputs Describe with the aid of diagrams the principle of operation of an autotransformer Describe suitable uses for an autotransformer Describe the advantages and disadvantages of autotransformers in relation to double wound transformers Syllabus 2000 edition 45 Assessment Test specification for written papers Electrical Power 8030 22 214 This is a written examination paper lasting three hours with ten questions Candidates must answer all questions The examination will cover the knowledge specifications Approximate
17. and common emitter amplifier circuits are established and stabilised by use of current and voltage feedback biasing 21213 Describe the operation of transistors as a switch and the limiting conditions Transistors BJT FET Limiting conditions saturation cut off 21214 Describe briefly the causes of switching delays in a transistor switching circuit Causes stored charge transfer of charge 21215 Calculate the dc voltage and current levels established by the use of current feedback biasing in single stage amplifier circuits Circuits common emitter bipolar transistor common source field effect transistor 21216 Explainthe terms small signal and large signal operation of a transistor 212 17 Define the ac small signal parameters for a bipolar transistor in common emitter configuration Parameters forward current ratio hfe input resistance hie 21218 Definethe ac small signal parameters for a field effect transistor in common source configuration Parameters forward transfer conductance gf or gm output resistance gos or 1 49 212 19 Calculate using simplified ac equivalent circuits the voltage gains of single stage amplifier circuits Circuits common emitter common source Syllabus 2000 edition 29 212 20 Compare the performance of bipolar and field effect transistor amplifiers using the results obtained in 212 19 Basic amplifier circuits 212 21 212 22 212 23 212 24
18. and soil resistivity tests plot graphs obtained from these tests and describe explain aspects of these tests You are advised to read all the instructions before commencing work If you do not understand all the instructions then please ask your instructor 3 2 Earth electrode tests Read the manufacturer s instructions for the Earth Tester to establish connections A typical connection diagram is shown below Electrode under test Drive one earth rod 0 3 metre into the ground to be used asthe test electrode Using two 0 5m steel rods place one at 20m and one at 30m from the test electrode Drive each steel rod 0 3m into the ground Connectthe terminals on the earth tester to the earth electrode and steel rods using connecting leads and clamps Ensure that all connections are clean and tight 3 21 Usethe earth tester to obtain the earth resistance ofthe electrode Record the value 3 2 2 Repeatthetest with the test electrode driven in 0 4m 0 5m 0 6m and 0 8m into the ground 3 2 3 Drive a second earth rod 0 8m into the ground 1 5m from the first test electrode Connect the two rods together using connecting wire and clamps Test the new installation and record the value of earth resistance obtained 3 2 4 Repeat earth tests similar to 3 4 using three and then four earth rods 3 3 7 ot a graph of the results obtained in tests 3 2 3 3 3 4 Describe how the earth electrode resistance varies with the depth ofth
19. ax bx c and solve quadratic equations by factorisation and formula Geometry and trigonometry 210 27 Express angular rotations in multiples of radians One rotation is 2m radians n rotations is 2mn radians 210 28 Usethe relationship s r 0to determine the length of arc of a circle 210 29 Usethe relationship A r2 to determine the area of a sector of a circle 210 30 Solve problems involving areas and angles measured in radians 210 31 Define trigonometric functions of an acute angle Trigonometric functions sine cosine tangent 210 32 Obtain values forthe three trigonometric functions for angles of any magnitude from tables and from a calculator 210 33 Determine an acute angle given a trigonometric function value Angle obtained from sin 6 cos 8 tan 0 210 34 State the relationships cos sin 90 0 and sin 0 cos 90 0 for values of 6 from 0 to 90 210 35 210 36 Graphs 210 37 210 38 210 39 210 40 210 41 210 42 210 43 210 44 210 45 210 46 210 47 Solve problems by using trigonometric function values and or Pythagoras theorem Apply the sine and cosine rules to the solution of any triangle given sufficient information Sine Rule a sin A b sin B c sin C Cosine Rule a2 b c 2bc cos A Information one side and any 2 angles two sides and an angle opposite to one of the given sides two sides and the angle between them three sides Solve graphicall
20. devices for electric motors Electrical measurements 210 123 Identify and describe the correct use of electrical and electronic test instruments for measuring electrical resistance voltage current power and frequency 210 124 Describe the principle of operation of a moving coil instrument and a repulsion type moving iron instrument 210 125 Statethe meaning of resolution and accuracy as used to specify the performance of electrical test instruments 18 IVQ in Technician Awards in Electrical and Electronic Engineering 8030 2000 210 126 Describe the causes of error which may arise from the use of electrical and electronic test instruments Cause of error electrical loading limitation of resolution and accuracy 210 127 Compare the specifications of analogue and digital instruments using manufacturers data and calculate the accuracy which may be attributed to a variety of different electrical measurements Measurements voltage current and resistance including low and high scale values Assessment Test specification for written paper Engineering Fundamentals 2 8030 22 210 This is a written examination paper lasting three hours with ten questions Candidates must answer all 10 questions The examination paper will cover the knowledge specifications Approximate examination Topic weighting Mathematics Statistics 12 Logarithms algebra and graphs 12 Geometry and trigonometry 8
21. examination centres must provide suitable facilities for taking examinations secure places to keep the examination papers and materials and may have an appointed visiting verifier to review practical work After we have received and accepted an application we will send an approval letter confirming this You can then send entries in at any time using the International Directory of Examinations and Assessments for guidance Please note that in this section we have provided an overview of centre approval procedures Please refer to the current issue of Delivering International Qualifications Centre Guide for full details of each aspect of these procedures Other information Designing courses of study Candidates for the various Technician Diplomas in Electrical and Electronic engineering will have come from different backgrounds and will have different employment and training experiences We recommend the following carry out an assessment of the candidates achievements so you can see what learning they already have and decide the level of entry they will need and consider what learning methods and places will best suit them When you assess a candidate s needs you should design teaching programmes that consider what if any previous education qualifications or training the candidate has especially in the various general vocational education certificates we provide and what if any previous practical exper
22. multiple condition searches Boolean operators AND OR 211 7 Define and execute sort criterion for numeric character and date fields 211 8 Print out all or part of a database All or part all records in record number order all records as sorted list records matched by single or multiple search conditions one selected record selected fields only 211 0 Exit database software Spreadsheet 211 10 Load spreadsheet software from the operating system or GUI 211 11 Open anew spreadsheet 211 12 Create a simple spreadsheet from instructions 20 IVQ in Technician Awards in Electrical and Electronic Engineering 8030 2000 211 13 Setsingle and global column widths 211 14 Create and insert appropriate spreadsheet column and row titles 211 15 Insert and format character and numeric data Character format left centre right justified Numeric format integer decimal scientific percentage currency date 211 16 Insert formulae containing cell addresses and numbers to carry out calculations 211 17 Use absolute and relative cell addresses 211 18 Replicate formulae in a row or column 211 19 Usethe sum and average functions in a spreadsheet 211 20 Present data in graphical format Graphical format bar chart pie chart histogram frequency polygon 211 21 Save a spreadsheet with an appropriate filename 211 22 Exit spreadsheet software Word processing 211 23 Load word processing software from the operating
23. printed circuit board Take care to include the manufacturers recommendations for the provision of a heat sink Assemble the circuit using appropriate tools Inspect the assembled circuit and check for errors Connect the circuit to a suitable power supply Carry out the following performance tests and record all results 3 61 Check the supply voltage Vec 3 6 2 Connect a loudspeaker across the output terminals and a crystal microphone to the input of the amplifier Speak into the microphone and vary the setting of the volume control to test that the amplifier provides a satisfactory audio output Syllabus 2000 edition 39 3 7 3 8 40 3 6 3 Replace the microphone and loudspeaker with a signal generator and 8W resistor respectively With the input signal frequency set to 1kHz at a level sufficientto provide a significant output free from any obvious distortion measure the input and output voltages using the oscilloscope Calculate the overall mid band voltage gain 3 6 4 Withthe connections as in 3 6 3 increase the input voltage to determine the maximum available undistorted output voltage and record the amplitude ofthe input signal required to achieve this Calculate fromthe amplitude of the output voltage the ac output power delivered to the 8W load 3 6 5 Under conditions of maximum ac output power measure the dc current taken from the power supply and calculate a the dc power supplied to the amplifier and b
24. programme written questions and practical assignments Practical assignments Some of the units or components in the Diploma level of this programme have a related practical assignment or assignments These assignments may call on skills covered in other sections but reference is only made to the competences covered by the marking criteria Wherever relevant the option is given for you to use local names local currencies alternative measurements and paper sizes orto design an alternative assessment Where this option is taken the assignment must be of a comparable standard to ensure consistency between centres using this programme The assignment must be documented and available forthe visiting verifier ALL assienments must be successfully completed The assignments may be administered at any time convenient to the instructor and to the candidate The practical assignments in this publication are intended to be photocopied Instructor notes It is essential that you read these before attempting to administer the practical assignment Practical assignments usually require you to prepare material for the assignment Candidate instructions Make sure every candidate has a copy of these before beginning the practical assignment Marking The marking is based on performance criteria or outcomes related to the practical assignment to which the answer will always be either yes the candidate achieved this or no the c
25. rad s rad s2 Derive the relationships between linear and angular motion Relationships V o F a ar Sc Perform calculations involving the relationships in 210 76 and w 2 1 N where N is rev s Obtain equations for uniformly accelerated angular motion by analogy with linear motion Equations w2 1 a t 0 zu W1 W gt t 2 1 2 0 o4 bat 22 2 00 Solve problems involving angular motions using the equations in 210 78 Dynamics 210 80 210 81 210 82 210 83 210 84 Explain the laws of dry friction Define the coefficient of friction Solve problems involving the force of friction and the coefficient of friction Solve problems involving the work done by a constant force Force constant inclined uniformly varying Derive the relationships for potential energy and linear kinetic energy Relationships PE mgh 7 2 KE 2 mv 210 85 Derive the relationships for work done W and power P transmitted by a torque T Relationships W T0 P Tw 210 86 Solve problems involving potential energy kinetic energy torque and power Simple machines 210 87 Explain the function of a machine and the term simple machine 210 88 Define the terms velocity ratio VR mechanical advantage MA and efficiency and solve problems ona range of machines Machines belt drives gear trains pulley blocks screwjack worm and wheel winch 210 89 Describe the effects of friction in machines Effec
26. the conversion efficiency ofthe amplifier 3 6 6 Resetthe conditions as at 3 6 3 vary the input signal over a range of frequency and monitor the change in the amplitude of the output voltage on the oscilloscope to determine the bandwidth ofthe amplifier Write a test report to include design calculations results obtained from the practical measurements and any observations Hand in your work to your instructor IVQ in Technician Awards in Electrical and Electronic Engineering 8030 2000 4 Marking 44 4 2 4 3 4 5 4 6 Assignment completed in three hours A circuit diagram ofthe proposed amplifier sketched Components 4 31 Asuitable amplifier selected 4 3 2 The supply voltage Ve selected 4 3 3 Component values if different from the those shownin Fig 1 selected 4 3 4 Circuit diagram showing the component values drawn 4 3 5 Acomponent list for the proposed design drawn up 4 3 6 A suitable circuit and component layout for the type of construction to be used designed The circuit assembled using appropriate tools The assembled circuit inspected and checked for errors The circuit connected to a suitable power supply The following performance tests carried out and results recorded 4 61 The supply voltage Vc checked 4 6 2 A loudspeaker connected across the output terminals and a crystal microphone to the input of the amplifier 4 6 3 Themicrophone and loudspeaker replaced with a signal generat
27. throughout a teaching programme Presentation format of units Competence statements Most units start with a section on practical competences which shows the practical skills candidates must have For example 211 20 Present data in graphical format Graphical format bar chart pie chart histogram frequency polygon Inthe above statement Graphical format is given as arange which the candidate should be familiar with Candidates should cover the complete range When a range starts with the abbreviation eg the candidates only need to cover some of the ranged areas or you can use Suitable alternatives Competence statements cover practical skills and knowledge requirements The knowledge needed is closely linked to the practical competences so it is best to teach the two together so that the candidate understands the topic more Practical assignments You should make sure all practical assignments are supervised and instructors should make sure that the results reflect the candidate s own work You must hold all the documents and material in a file portfolio for each candidate for eight weeks after the application for a certificate You must also keep separate records of the dates of all attempts by each candidate Entry levels We consider the following programmes to be relevant preparation for this programme Technician Certificate in Electrical and Electronic Engineering 8030 We also consider the fo
28. 0 53 210 54 210 55 210 56 210 57 210 58 210 59 Determine average and instantaneous gradients of graphs of simple functions Simple functions y mx C y ax2 y ekx y sinx Deduce the chord of a graph reduces to the tangents at a point as the arc reduces to zero Identify 8x and dy as incremental changes between two points on graph d Define as the limiting value of the ratio dy when dx gt 0 and hence as the gradient of a graph ata particular point Determine the instantaneous gradient of simple functions using standard rules Standard rules d d d n n 1 i kx kx dx x 2 nx di sin x cos x di e X ke Define integration as inverse of differentiation State the importance of a constant of integration Determine the indefinite integrals f y dx for y ax y sinx y ex Define fab y dx as the area under the graph between ordinates x a and x b Determine the areas under graphs of simple functions Syllabus 2000 edition 15 Science Knowledge requirements Instructors must ensure that candidates are ableto Statics 210 60 210 61 210 62 210 63 Resolve a force into rectangular components Solve problems involving the triangle of forces theorem and application ofthe principle of concurrence Define a couple and describe its magnitude as a torque Use the principle of moments to calculate the support reactions of aloaded simply supported beam Lo
29. 1 x d Resistance where lis the length of the earth rod in the ground in metres and d is the diameter of the earth rod in mm Compare this with the value obtained in the above practical tests 3 9 Explain why soil resistivity may vary and how this would affect the site chosen for an earth electrode installation Syllabus 2000 edition 49 4 Marking 44 4 2 4 3 44 4 5 4 6 4 7 4 8 1 4 8 2 4 9 4 10 441 Assignment completed in 3 hours Earth resistance tests carried out correctly Graph of results for tests 3 2 2 and 3 2 3 plotted correctly Description of how earth resistance varies with depth of electrode given Graph of results for 1 2 3 and 4 electrodes plotted correctly Description of how earth resistance varies with the number of earth rods in parallel given Soil resistivity tests carried out correctly Soil resistivity values calculated for each test Theoretical value of earth electrode resistance calculated and compared with value from practical test Explanation of why soil resistivity may vary and its effect on the choice of earthing site given Descriptions of other methods of earthing given Work handed in to the instructor 5 Assignment completion The candidate will have satisfactorily completed this assignment if successful in all items marked with a items marked witha A period of seven days must elapse before an unsuccessful candidate may retak
30. 6 File sorted in ascending order of price 4 7 Theproduction ofthe following lists 4 71 a ct he records which are in the engine section 4 7 2 a ct he parts costing 1 00 or less ct 4 7 3 allthe records of parts priced between 1 00 and 2 00 inclusive ct 4 7 4 alltherecords of which contain a no off value of 3 or 4 4 8 Diskand print outs handed in 5 Assignment completion The candidate will have satisfactorily completed this assignment if successful in all items marked with a andatleastthree of the items marked witha A period of at least seven days must elapse before an unsuccessful candidate may retake this assignment Candidate may retake this assignment or use alternative data produced by the instructor 22 IVQ in Technician Awards in Electrical and Electronic Engineering 8030 2000 6 Assignment documentation Manufacturers parts list for a petrol driven lawnmower Price Part no No off Description Section 2 20 363 1 Rubber Cable Clip Handlebars 3 20 590 4 Cutterblade Bolt Nut and Washer Mainframe 0 50 59 2 Washer Mainframe 1 20 1662 1 Key Engine 3 00 2779 4 Cutterblade C type Mainframe 6 00 2811 1 Bottom Plate Mainframe 21 50 3607 1 Mainframe Casting Mainframe 5 60 3617 1 Quadrant and Handlebar Bracket Handlebars 2 50 3618 1 Handle B
31. 61 212 62 212 63 212 64 212 65 212 66 212 67 212 68 212 69 212 70 Explain that light energy generates electron hole pairs in a semiconductor Describe briefly the construction and operation of a range of photo sensitive devices Devices photo resistive cells light dependent resistors LDR photovoltaic cells solar cells photo diodes photo transistors Compare the relative merits of a range of photo sensitive devices Merits cost size linearity dynamic range speed temperature sensitive Devices light dependent resistors solar cells photo diodes and transistors Describe typical applications of photo sensitive devices Typical applications light operated relay power source solar cell light meter light sensitive switch Describe the emission of light generated by passing current through a forward biased junction light emitting diode LED Determine using manufacturers or suppliers information details of commercially available light emitting diodes Details emission colour forward voltage maximum current and power ratings size Sketch circuits for the operation of various LEDs and calculate suitable component values from the information obtained in 212 66 Describe briefly the construction and operation of an opto isolator and state typical applications Applications completely isolated non electrical coupling switching high voltage loads from sensitive low voltage sour
32. 7777 Please contact me if you need further assistance Yours Type your own name at the bottom ofthe letter and sign it 212 Electronics Introduction This unit aims to provide a broad coverage of both analogue and digital electronics An approach with worked examples and calculations where appropriate based on hands on practical work is recommended Where possible candidates should be introduced to the uses of discrete component and integrated circuits in a range of small signal and large signal practical applications Practical competences The candidate must be able to do the following 212 1 Design construct and test a single stage transistor amplifier based on or incorporating either a bipolar junction transistor BJT or field effect transistor FET Test measure dc voltages determine the voltage gain frequency response and maximum signal handling capability 212 2 Build and test a power amplifier incorporating integrated circuits Test mid band voltage gain frequency response measure ac power output dc supply power calculate conversion efficiency 212 3 Observe the effects of wave shaping networks onac signals Signals sine wave square wave Knowledge requirements Instructors must ensure that candidates are able to Integrated circuits 212 4 Describe the construction and operation of basic analogue and digital IC circuits in both bipolar and FET forms including CMOS Circuits differential
33. 8 Determine the phase angle of a balanced three phase load by the two wattmeter method P2 P1 P24P1 using the expression tan 3 214 9 Explain with the aid of a diagram how power and power factor may be measurediin a single phase circuit using a voltmeter an ammeter and a wattmeter 214 10 Explain with the aid of a diagram how the range of instruments may be extended by the use of current and voltage transformers 21411 Solve problems in power measurement including errors inherent in the method of connecting the wattmeter 21412 Explain the use for specialised instruments when testing electrical installations and state typical acceptable values Instruments testing continuity and insulation resistance earth fault loop and residual current device RCD tester 21413 Describe how earth electrode resistance may be measured 21414 Sketch a diagram of the complete earth loop path and explain the meaning of earth fault loop impedance Explain with the aid of a diagram how the earth loop impedance is measured Explain typical metering requirements for a small industrial installation Requirements energy maximum demand kVA power factor 21417 Describe with the aid of a diagram how meters are connected to meet the requirements in 214 16 Transmission and Distribution 21418 Statethe advantages and disadvantages of alternating current for the generation transmission and distribution electrical energy
34. Candidates instructions 31 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 The time allowed for this assignment is 2 hours You are advised to read all the instructions before commencing the work If you do not understand all the instructions then please ask your tutor A visit will be arranged for you to study a metering installation at a small engineering or commercial premises You will be required to investigate and record details of the metering arrangement and connections You must not touch any part of the wiring during the visit Sketch the layout of the metering installation Draw a wiring diagram for the installation showing how each meter is connected to the supply Explain the function of each meter and why it is necessary Explain why a customer may benefit by reducing the maximum demand they make on the supply system and how this could be achieved without reducing the amount of electrical equipment installed Explain the benefit to the supplier of reducing maximum demand without reducing overall consumption Explain the disadvantages of low power factor both to the supplier and the customer Hand in work to the instructor Syllabus 2000 edition 51 4 Marking 41 Assignment completed in 2 hours excluding write up 4 2 Layout of meters sketched correctly 4 3 Wiring diagram drawn correctly 4 4 Function of each meter stated correctly 4 6 X Explanation of the benefit to the customer o
35. IVQs in Electrical and Electronic City amp z Engineering 8030 2000 Guilds Level 3 IVQ Technician Diploma in Electrical and Electronic Engineering Electrical Engineering DNE September 2009 Electronic Engineering siii 8030 22 500 5762 5 Qualification handbook for centres Publications and enquiries City amp Guilds publications are available from Publications Sales City amp Guilds 1 Giltspur Street London EC1A 9DD United Kingdom T 44 0 20 7294 2850 F 44 0 20 7294 2413 General information about City amp Guilds may be obtained from Customer Relations at the above address or on 44 0 20 7294 2787 or by emailing intops cityandguilds com Equal opportunities City amp Guilds fully supports the principle of equal opportunities and we are committed to satisfying this principle in all our activities and published material Every effort has been made to ensure that the information contained in this publication is true and correct at the time of going to press However City amp Guilds products and services are subject to continuous development and improvement and the right is reserved to change products and services from time to time City amp Guilds cannot accept liability for loss or damage arising from the use of information in this publication 2003 The City and Guilds of London Institute All rights reserved City amp Guilds is a trademark of the City and Guilds of London Institute
36. ading concentrated uniformly distributed combined Stress and strain 210 64 210 65 210 66 210 67 210 68 210 69 Define stress and its unit N m2 or Pa Stress direct tensile and compression single shear Solve problems involving calculation of values of stress Define direct strain Explain Hook s law and define Young s modulus Define and explain the term factor of safety as applied to direct and shear loading Solve problems involving direct stress strain Young s modulus and factors of safety 210 70 Explain the distinction between single and double shear 210 71 Solve problems involving shear stress ultimate shear strength and factors of safety Problems rivetted and pinned joints flanged shaft couplings shearing and punching of flat plates Kinematics 210 72 Explain why speed is a scalar quantity whereas velocity and acceleration are vector quantities 210 73 Derive the equations for uniformly accelerated linear motion Equations v utats sve 2 s ut 1 at 2 v2 u242as 16 IVQ in Technician Awards in Electrical and Electronic Engineering 8030 2000 210 74 210 75 210 76 210 77 210 78 210 79 Use the equations in 210 73 to solve problems involving velocity acceleration deceleration and distance travelled by moving objects eg vehicle engineering component freely falling body projectile Define angular velocity angular acceleration and their units Units
37. andidate did not achieve this Credit is given forthose performance objectives for which the answer is yes the candidate achieved this Supervision All assignments require supervision and you must make sure that the results reflect only the individual candidate s own work You must keep all assessment documentation and materialin a file for each candidate until the results have been agreed by the visiting verifier and until confirmation of result has been received from City amp Guilds Records results and certification Successful completion of the related practical assignments for each unit needs to be recorded and then sent to City amp Guilds We suggestthat you keep a record of each individual s achievements which may then be transferred to the entry forms A model is given atthe end ofthis section but you may use any form of record keeping that is convenient and accessible In order to gain certification results for successfully completed practical assignments must be sent to City amp Guilds Results for practical assienments are entered onto Form S which is then countersigned by the visiting verifier and sentto us An advantage of this programme is that candidates who successfully complete the practical assignments for a single unit may if they wish claim a Certificate of Unit Credit This may be beneficial for those candidates who only wish to complete part of this programme Send these claims to us at any time provid
38. anges to the qualification titles The qualification titles have changed as follows Technician Diploma in Applied Electrical Engineering 8030 22 changed to Level 3 IVQ Technician Diploma in Electrical and Electronic Engineering Electrical Engineering 8030 22 Accreditation number 500 5762 5 Technician Diploma in Applied Electronic Engineering 8030 22 changed to Level 3 IVQ Technician Diploma in Electrical and Electronic Engineering Electronic Engineering 8030 22 Accreditation number 500 5762 5 Changes to the unit titles Following the accreditation of the Technician IVQs in Electrical and Electronic Engineering each unit has been given an accreditation reference number which will appear on the Certificate of Unit Credit The content of the units is unchanged Level 3 IVQ Technician Diploma in Electrical and Electronic Engineering Electrical Engineering 8030 22 Accreditation number 500 5762 5 Y 502 2606 Engineering Fundamentals 2 D 502 2607 Computer Aided Communication Practical Assignments H 502 2611 Electrical Power K 502 2612 Electrical Practical Assignments Level 3 IVQ Technician Diploma in Electrical and Electronic Engineering Electronic Engineering 8030 22 Accreditation number 500 5762 5 Y 502 2606 Engineering Fundamentals 2 D 502 2607 Computer Aided Communication Practical Assignments H 502 2608 Electronics D 502 2610 Electronic Practical Assignments Reg
39. are required to construct the power amplifier in section 6 ensure that the circuit functions correctly determine the maximum signal levels mid band gain overall frequency response output power and conversion efficiency using appropriate instruments Record results and show calculations Candidates have 3 hours to complete this assignment Instructors must ensure that health and safety regulations are observed at all times 3 4 3 5 3 6 3 Candidates instructions You have three hours to complete this assignment In this assignment you are required to assemble and test a single stage integrated circuit power output amplifier Typical Specification Power supply Vec 20V d c 25V maximum Quiescent current 7mA Voltage gain 50 34dB Input sensitivity 150mV rms Input resistance 150 kW Maximum input voltage 0 5V Load resistance 8W Approximate bandwidth 100kHz Sketch a circuit diagram of the proposed amplifier See section 6 Fig 1 Select components 3 31 Chooseasuitable amplifier eg LM380 or similar and referto the data sheet forthe device to establish its specification 3 3 2 Select the supply voltage Vec 3 3 3 Select component values if different from the those shown in Fig 1 3 3 4 Draw the circuit diagram showing the component values 3 3 5 Draw up a component list for the proposed design 3 3 6 Designa suitable circuit and component layout for the type of construction to be used eg strip board or
40. certification Introduction to this programme We have designed the Technician Diplomas in Electrical and Electronic Engineering programme for those undergoing training or employed inthis area of work The programme aims to reflect the international nature ofthe knowledge skills and activities needed for different countries or cultures We provide certificates for all work related areas at seven levels within our structure of awards shown in appendix B This programme covers level 3 The standards and assessments for the certificate level 2 and the advanced diploma level 4 are published separately Certificate The certificate about 300 guided learning hours provides a broad introduction to the theory and practical sides of engineering for a front line worker or a person beginning an academictraining programme Diploma The diploma about 600 guided learning hours provides more practice involving a broader range of skills appropriate to a person who may also supervise or who is going on into higher education Advanced diploma The advanced diploma about 600 guided learning hours takes these skills to the level appropriate for a person preparing for or working in first level management It is also appropriate for someone who wants to receive specialised training at a high level We stress that these figures are only a guideline and that we award certificates and diplomas for eaining and showing skills by whatever mode o
41. ces Describe the principle of light propagation along a fibre optic cable and explain the associated terms Terms step index graded index Sketch a simple block diagram and describe the operation of a fibre optic communication system System transmission receiver fibre optic cable Syllabus 2000 edition 31 Assessment Test specification for written paper Electronics 8030 22 212 This is a written examination paper lasting three hours with ten questions Candidates must answer all questions The examination will cover the knowledge specifications Approximate examination Topic weighting Integrated circuits 5 Signal shaping and coupling circuits 5 Basic transistor circuits 10 Basic amplifier circuits 15 Feedback 10 Oscillators 10 Operational amplifiers 5 Basic logic circuits 10 Power output circuits 10 Use of instruments 10 Optoelectronics 10 32 IVQ in Technician Awards in Electrical and Electronic Engineering 8030 2000 213 Electronics Practical Assignments Practical assignment 213 1 Wave Shaping 1 Competence references 212 3 341 2 Preparation 21 Location of test The training centre or other venue where supervision and appropriate working conditions will be provided 32 2 20 Components wave shaping networks as shown in section 6 figure 1a 1b and 1c mounted on a suitable test board Test equipment function generator 2 channel oscilloscope and
42. d Ohm s law Define resistivity p of a conductor and the unit of resistivity and use the formula R pL A to calculate the resistance of a conductor having length L and cross sectional area A Define temperature coefficient of resistance and its units and calculate change in resistance due to a change in temperature State the formulae for power in an electrical circuit Formulae P VI P PR P V2IR Identify the heating effect of an electrical current Electrical energy Power x time and state the units joules watt seconds or the kWh kilo watt hour Solve problems relating to 210 103 and 210 104 involving calculations of power and energy in electrical circuits Identify the uses of cells and batteries including primary secondary lead acid nickel iron and cadmium Uses primary cells in portable equipment secondary cells in rechargeable appliances and vehicles Alternating current theory 210 107 210 108 210 109 210 110 210 111 210 112 Explain the term single phase alternating current and sketch a graph of a periodic wave Define the terms associated with alternating current Terms cycle frequency period peak value instantaneous value average value and root mean square rms value Solve problems involving conversion of voltage and current peak average and rms values Define resistance inductive reactance and capacitive reactance in ac circuits Deduce the relationships between
43. duction motor Explain why reduced voltage is used for starting large induction motors Describe methods of starting three phase induction motors Methods star delta autotransformer Describe with the aid of a sketch the construction of athree phase synchronous machine with a range of rotors Rotors salient pole cylindrical Describe with the aid of sketches the principal modes of operation of synchronous three phase machines Modes generator motor Explain why a synchronous motor is not self starting Describe typical applications for cylindrical rotor and salient pole rotor synchronous generators and motors Describe with the aid of a sketch the construction of a single phase cage rotor induction motor 214 77 214 78 214 79 State that a single phase cage rotor induction motor is not self starting but if rotated in either direction will accelerate to load speed Describe the principle of operation ofthe split phase single phase induction motor Sketch the torque speed characteristic for a typical split phase single phase induction motor Transformers 214 80 214 81 214 82 214 83 214 84 214 85 214 86 214 87 214 88 214 89 214 90 214 91 214 92 214 93 214 94 214 95 Describe with the aid of sketches the construction of a typical transformer and the types of winding Construction core shell Winding disc helical layer sandwich N E Show that for
44. e electrode 3 5 7 otagraph ofthe results obtained for 1 2 3 and 4 ectrodes each driven 0 8m into the ground 6 48 IVQ in Technician Awards in Electrical and Electronic Engineering 8030 2000 3 6 Describe how the earth electrode resistance varies with the number of earth rods connected in parallel 3 7 Soil resistivity Read the instructions for the Earth Tester being used to ascertain connections A typical circuit for the test is shown below 3 10 3 11 Describe TWO other methods of earthing other than using several eardi rods in parallel Ensure that you hand in all your work records graphs etc in to your instructor 3 71 Drive four 0 5m steel rods 0 3m into the ground in a straight line spaced at 10m intervals Connect the leads to the rods using clamps ensuring all connections are clean and tight Use the earth tester to obtain the value of earth resistance Record the results 3 7 2 Drive the rods 0 4m into the ground and repeat the test Repeat the test at a different location where the ground is either wetter or drier 3 81 Calculate the value of soil resistivity for each test using the formula Resistivity 2m a R ohm cm where a spacing between steel rods in cms and R earth resistance in ohms 3 8 2 Usingthe value of soil resistivity obtained calculate the theoretical earth electrode resistance for a single electrode using the formula Resistivity ohm cm Log4o 4000 x 1 250x
45. e this assienment 50 IVQ in Technician Awards in Electrical and Electronic Engineering 8030 2000 and atleast 2 ofthe 215 Electrical Practical Assignments Practical assignments 215 2 Metering Installations for Small Industrial Commercial Premises 1 Competence references 214 2 2 Preparation 21 Location of assignment The training centre or other venue where supervision and appropriate working conditions will be provided 2 2 Requirements Pens pencils clipboard and paper 2 3 Instructor notes Candidates may undertake the work in small eroups provided the report on the system investigated is written up independently The candidates will need to be able to study the metering installed within the training centre or at a small engineering or commercial premises Installation selected must include meters for the following purposes Total energy consumed Maximum demand kVA Power factor 2 4 Instructor instructions A visitto a metering installation must be arranged This could be within the training centre or at a local commercial or industrial premise providing the requirements in 2 3 are satisfied If a visitto a suitable installation is impractical a simulated installation may be used Health and Safety issues must be explained to candidates in relation to electrical and other hazards which may be present on site Writing up the assignment may be done outside the 2 hour practical session 3
46. ed the visiting verifier has countersigned the Form S Candidates wishing to gain the full award Certificate Diploma or Advanced Diploma must successfully complete all the relevant practical assignments We recommend that their practical results are sent at the time of or shortly before the date of the written examinations Visiting verifier The operation of this programme requires the appointment of a visiting verifier The visiting verifier must countersign the results of the practical assignments on Form S The visiting verifier should also be able to inspect records and candidates work to verify the results before submission AppendixA 55 Technician Diploma in Applied Electronic Engineering Candidate assessment record Candidates must complete these assignments Candidate s name and number Centre name and number Assessment reference Date completed Instructor signature Instructor name 211 1 Engineering Database 211 2 Engineering Spreadsheet 211 3 Word processing a business letter 213 1 Wave shaping 213 2 Common emitter transistor amplifier 213 3 Integrated circuit power amplifier 56 IVQ in Technician Awards in Electrical and Electronic Engineering 8030 2000 Technician Diploma in Applied Electronic Engineering Candidate assessment record Candidates must complete these assignments Candidate s name and number C
47. ent numbers to show units for which we may award a Certificate of Unit Credit We use these numbers throughout this booklet You must use these numbers correctly if you send forms to us 08 IVQ in Technician Awards in Electrical and Electronic Engineering 8030 2000 Assessments Technician Diploma in Applied Electrical Engineering To carry out what is needed for the Technician Diploma in Applied Electrical Engineering candidates must be successful in all of the following assessments 8030 22 210 Engineering Fundamentals 2 written paper which lasts three hours 8030 22 211 Computer Aided Communication Practical Assignments 8030 22 214 Electrical Power written paper which lasts three hours 8030 22 215 Electrical Practical Assignments Total two written papers The practical assignments are carried out during the learning programme and should be finished by the date of the written examination so you can send all the results to us See appendices A and B To receive this award candidates must carry outthe following practical assignments 211 1 211 2 211 3 215 1 215 2 and 215 3 Total six practical assignments Technician Diploma in Electrical Engineering Theory To carry out what is needed for the Technician Diploma in Electrical Engineering Theory candidates must be successful in all of the following assessments 8030 22 210 Engineering Fundamentals 2 written paper which lasts three hours 8030 22 214
48. entre name and number Assessment reference Date completed Instructor signature Instructor name 211 1 Engineering Database 211 2 Engineering Spreadsheet 211 3 Word processing a business letter 215 1 Earth electrode tests 215 2 Metering Installations 215 3 Industrial commercial distribution systems AppendixA 57 This page is intentionally blank Published by City amp Guilds 1 Giltspur Street London EC1A 9DD T 44 0 20 7294 2850 F 44 0 20 7294 2413 intops cityandguilds com www cityandguilds com City amp Guilds is a registered charity established to promote education and training SP 02 8030
49. ethods use of interpoles moving brush gear AC Machines 214 59 Explain the production of a rotating magnetic field when a suitable three phase supply is connected to the stator winding of a three phase machine 214 60 214 61 214 62 214 63 214 64 214 65 214 66 214 67 214 68 214 69 214 70 214 71 214 72 214 73 214 74 214 75 214 76 Describe with the aid of sketches the construction of a three phase cage and wound rotor induction machine Describe with the aid of diagrams the principle of operation of a three phase induction motor Define and calculate values of synchronous speed slip and slip speed Sketch the torque speed characteristic for a typical three phase cage rotor induction motor showing starting torque maximum torque and rated torque Explain the conditions for maximum torque in an induction motor State that the starting current is 5 to 7 times the full load value for a typical three phase cage rotor induction motor Explain the reason for connecting resistance in the rotor circuit when starting wound rotor induction motors Sketch a family of torque speed characteristics showing the effect of varying the total rotor circuit resistance Solve problems concerning stator and rotor losses and efficiency for induction motors Describe with a circuit diagram a basic direct on line starter with no volt release provision and overload protection for a three phase in
50. f reducing maximum demand stated correctly 4 7 Explanation of the benefit to the supplier if maximum demand is reduced without loss of total consumption 4 8 Disadvantages of low power factor explained correctly 4 9 Workhanded in to the instructor 5 Assignment completion The candidate will have satisfactorily completed this assignment if successful in all items marked with a Itis not essential that the item marked witha iscompleted in the time stated A period of seven days must elapse before an unsuccessful candidate may retake this assienment 52 IVQ in Technician Awards in Electrical and Electronic Engineering 8030 2000 215 Electrical Practical Assignments Practical assignments 215 3 Industrial Commercial Distributions Systems 1 Competence references 214 3 2 Preparation 21 Location of tests The training centre or other venue where supervision and appropriate working conditions will be provided 2 2 Requirements Pens pencils clipboard and paper 2 3 Instructor notes Candidates may undertake the work in small eroups provided the report on the system investigated is written up independently The candidates will need to be able to study the distribution system within the training centre or at a small engineering or commercial premises 2 4 Instructor instructions A visitto the substation within or supplying the training centre or alternatively a small engineering commercial pre
51. f study and notfor periods of time spent in study Full technological diploma We will award the Full Technological Diploma FTD in Electrical and Electronic Engineering to someone who is at least 21 who has had at least two years relevant industrial experience and who has successfully finished the assessments for the diploma and advanced diploma levels of this award If candidates enter forthis diploma they must also send us a portfolio of evidence to support their application Making entries for assessments Candidates can only be entered for the assessments in this subject if the approved examination centres agree Candidates must enter through an examination centre we have approved to carry outthe assessments for 8030 awards There are two ways of entering candidates for assessments Internal candidates Candidates can enter for examinations if they are taking or have already finished a course at a school college or similar training institution that has directed their preparation whether by going toatraining centre working with another institution or by open learning methods External candidates These are candidates who have not finished a programme as described above The examination centres must receive their application for entry well before the date of the examination concerned This allows them to act on any advice you give about assessment arrangements or any further preparation needed External candidates carrying out
52. frame 0 50 9267 3 Large O D Washer Engine 0 40 9273 1 S C Spring Washer Engine 0 90 9303 4 Split Pin 15 x345 Engine 0 90 9358 2 Screw M5 x 30mm Handlebars 24 IVO in Technician Awards in Electrical and Electronic Engineering 8030 2000 211 Computer Aided Communication Practical assignment 211 2 Engineering Spreadsheet Electrical 1 Competence references 211 10 211 22 2 Preparation 2 1 2 2 2 3 Location of the test The training centre or other venue where supervision and appropriate working conditions will be provided Requirements A computer system running appropriate spreadsheet software and printer connected to the system with paper loaded and set up ready to print Instructor notes Candidates are required to produce an engineering spreadsheet that will calculate the power consumed for an electrical machine at various phase angles The assignment covers data input equation input data manipulation and text and graphical output 3 Candidates instructions 3 1 3 2 3 3 3 4 35 3 6 You must produce an engineering spreadsheet which calculates the power consumed for an electrical machine at various phase angles You have 3 hours to complete this assignment Enter a suitable TITLE your NAME COURSE and DATE at the top of your spreadsheet Under a sub heading INPUT DATA enter the following data otethe values given must be referenced as absolute cells CURRENT amps 5 R1 RESISTANCE
53. gineering 8030 2000 Component numbers and titles 210 Engineering Fundamentals 2 211 Computer Aided Communication 212 Electronics 213 Electronic Practical Assignments 214 Electrical Power 215 Electrical Practical Assignments Syllabus 2000 edition 13 210 Engineering Fundamentals 2 Introduction The aim of this unit is to further develop the concepts and skills acquired at Certificate level It also supports a range of units at the Diploma level and serves as a pre requisite for further studies Mathematics Knowledge requirements Instructors must ensure that candidates are able to Statistics 210 1 Collect data from practical work in other subjects and from publications 210 2 Distinguish between discrete and continuous data 210 3 Distinguish between a sample and a population 210 4 Determine the range and approximate density of the data and use this information to form appropriate groups equal and unequal to cover the set of data 210 5 Define frequency and relative frequency 210 6 Determine using a tally count the frequency and hence the relative frequency of objects in each group 210 7 Identify the data using either the frequencies or relative frequencies by suitable fully labelled diagrams Diagrams bar charts component bar charts pie charts pictograms 210 8 Usea labelled histogram and frequency polygon to represent a given set of data 210 9 Calculate cumulati
54. gnments We provide assessments in two ways a Fixed date These are assessments which are carried out on dates and times we set These assessments have no brackets around their numbers b Free date These are assessments which are carried out at a college or other training establishment on a date or over a period which the college chooses These assessments have brackets around their numbers In this programme the written assessments are fixed date The practical assignments and the project are free date You must carry out assessments according to our International Directory of Examinations and Assessments If there are any differences between information in this publication and the current directory the Directory has the most up to date information Results and certification Everyone who enters for our certificates diplomas and advanced diplomas receives a Notification of Candidate Results giving details of how they performed If candidates successfully finish any assessment within this programme for example any one of the examination papers they will receive a Certificate of Unit Credit towards the certificate or diploma for which they are aiming We grade coursework assessments practical assignments as pass or fail We grade written assessments on the basis of fail pass credit or distinction The Certificate of Unit Credit will not mention assessments which they do not enter which they failed or from which they we
55. h product is 1 MHz Sketch the open loop response of atypical operational amplifier and show how this is modified by negative feedbackto produce a constant gain bandwidth product Sketch the circuits and describe the operation of a range of operational amplifier circuits incorporating resistor capacitor networks Amplifiers integrator ac coupled amplifier having a high pass frequency response dc amplifier having a low pass frequency response Calculate the mid band voltage gains and bandwidths of the high pass and low pass operational amplifier circuits giventypical component values Amplifiers ac coupled amplifier having a high pass frequency response dc amplifier having a low pass frequency response Basic logic circuits 212 43 212 44 212 45 Explain using truth tables the operation of a range of 2 input logic gates Logic gates AND OR NAND NOR XOR Reduce simple Boolean expressions using logical relationships Construct combinational gate systems to implement simple Boolean expressions or truth tables 212 46 212 47 212 48 Explain the need for a latch Draw the circuit and explain the operation of a simple RS latch Explain with the aid of a logic diagram the operation of the cross coupled NAND or NOR gates Power output circuits 212 49 212 50 212 51 212 52 212 53 212 54 Compare efficiencies of a range of amplifiers Amplifiers Class A Class AB Class B Describe typica
56. ience the candidate has which is relevantto the aims of the programme and from which they may have learned the relevant skills and knowledge When you choose learning methods and places you should consider the results of your assessments and whether the following are available 10 IVQ in Technician Awards in Electrical and Electronic Engineering 8030 2000 Openor distance learning material Workplace learning that can be carried out on site or between you and alocal workplace This will allow the candidates access to specialised equipment and work experience Working with other registered centres to share facilities Opportunities for co operative learning between candidates for different certificates who need to gain similar skills As long as the candidates meet the aims of this learning programme the structures of courses of study are up to you So itis possible to include extra topics that meet local needs You should avoid teaching theory alone As far as possible the practical work should be closely related to work in the classroom so that candidates use their theory in a realistic work environment You can use formal lectures in the classroom with appropriate exercises and demonstrations Candidates should keep records of the practical work they do so they can refer to it at a later date We assume that you will include core skills such as numeracy communication working with people and organisation and planning
57. ilds qualifications are part of an integrated progressive structure of awards arranged over eight levels allowing people to progress from foundation to the highest level of professional competence Senior awards at levels 4to 7 recognise outstanding achievement in industry commerce and the public services They offer a progressive vocational rather than academic route to professional qualifications An indication ofthe different levels and their significance is given below NOF level City amp Guilds qualifications programmes Other qualifications 8 Fellowship FCGI Doctorate 7 Membership MCGI Master s Degree Master Professional Diploma Postgraduate Diploma Level 5 vocational awards Posteraduate Certificate NVQ SVQ Level 5 6 Graduateship GCGI Bachelor s Degree Associateship ACGI Graduate Certificate and Diploma 5 Level 5 IVQ Advanced Technician Diploma Higher National Diplomas Full Technological Diploma Foundation Degree Diplomas of Higher and Further Education 4 Licentiateship LCGI Certificate of Higher Education Higher Professional Diploma Level 4 vocational awards NVQ SVQ Level 4 3 Level 3 IVQ Advanced Diploma A Level Level 3 IVQ Specialist Advanced Diploma Scottish Higher Level 3 IVQ Technician Diploma Advanced National Certificate in Education Level3 vocational awards BTEC National Certificate Diploma NVQ SVQ Level 3 2 Level 2 IVQ Diploma GCSE grades A C Level 21VQ Specialist Diploma Sc
58. ir vacuum Describe the advantages and disadvantages of fuses for system protection Define the term fusing factor State the advantages and disadvantages of relays for system protection Describe the principle of operation of an inverse definite minimum time IDMT protection relay Describe a simple over current and earth fault protection system for a circuit Power Factor Improvement 214 36 214 37 214 38 214 39 214 40 Explain the disadvantages of low power factor both from the consumer and the supplier s point of view Describe methods of power factor improvement for individual loads and for overall systems Methods static capacitor synchronous machine Calculate kVAr ratings and capacitance of capacitors needed to improve lagging power factor Describe typical tariff structures for individual consumers Calculate from given tariff structures the cost benefit of power factor improvement DC Machines 214 41 214 42 214 43 Describe with the aid of diagrams the principles of operation of a dc machine both in the generator and motor mode Derive the e m f equation for a dc machine E kN o Sketch circuit diagrams for field connections of dc machines Connections separately excited shunt series compound wound machines 44 IVQ in Technician Awards in Electrical and Electronic Engineering 8030 2000 214 44 214 45 214 46 214 47 214 48 214 49 Derive the vol
59. istration for theory examination Registration process forthe theory examination has not changed Result submission for practical assessment Result submission process for the practical assessments has not changed Change to the grading The grade Credit has been changed to Merit All other grades are unchanged The content of the units concerned is also unchanged Notification of Candidate Results NCR and Certificate of Unit Credit CUC Notification of Candidate Results NCR and Certificate of Unit Credit CUCs continue to be available on completion of each assessment theory or practical Final certificate will be issued on successful completion of all the required assessments Theory only routes The Theory only routes continue to be available as unaccredited qualifications Changes to the certificate layout Certificates issued on completion of an accredited IVQ show the accredited title and the accreditation number for the qualification The level in the accredited title refers to the NQF level the qualification is accredited at The certificate also lists all the units achieved including the grade and the unit accreditation number The certificate carries the logos of the regulatory authorities in England Wales and Northern Ireland indicating that the NQF accreditation only applies to these countries Regulations 2000 edition 05 Levels of City amp Guilds qualifications All City amp Gu
60. l applications for the range of amplifiers in 212 49 above Explain with the aid of a diagram the operation of a Class B push pull amplifier using complementary transistors State the effect of cross over distortion and explain how it can be eliminated Explain with the aid of a diagram the operation of a Class AB push pull amplifier incorporating a bootstrap capacitor Using manufacturers data sheets select a range of power ICs for given applications eg LM380 TDA2030 Use of instruments 212 55 212 56 212 57 212 58 212 59 212 60 Explain the functions ofthe main controls of an oscilloscope Controls channel gain time base speed sync trigger time base mode alternate scan or switching Describe applications ofthe oscilloscope Applications waveform observation measurement of amplitude time frequency and phase Describe the use of probes to improve the performance of oscilloscopes and electronic instruments at high frequencies Types of probe low capacitance multiplier rectifier Define the terms resolution and accuracy of instruments and determine typical values from manufacturer s data Calculate errors in instrument readings and the tolerance which must be applied arising from practical limitations Limitations loading due to instrument impedance resolution and accuracy of the instrument Describe the operation and use of asimple logic probe Optoelectronics 212
61. litude to avoid any distortion Draw the input signal and the output signal and measure the amplitudes Calculate the voltage gain of the amplifier from the results obtained in 3 10 Increase the input amplitude to a maximum value without causing significant distortion and record the value Put your name on your work and hand it in to your instructor 4 Marking 44 4 2 4 3 44 4 5 4 6 4 7 4 8 4 9 4 10 441 412 4 13 Assignment completed in 6 hours The components correctly listed The layout correctly and economically planned on graph squared paper The layout checked by the instructor The components inserted in the strip board and pins inserted in appropriate holes in the board to anchor the components The components soldered to the pins to form the amplifier circuit shown Circuit powered up using 9 volt power supply unit or battery Dc levels checked throughout circuit and the values recorded Input 1 kHz signal input from signal generator and input and output signal displayed on an oscilloscope Input amplitude adjusted to avoid any distortion The input signal and the output signal drawn and the amplitudes measured The voltage gain of the amplifier calculated from the results obtained in 3 10 The input amplitude increased to amaximum value without causing significant distortion and the value recorded Work handed in to instructor 5 Assignment com
62. llowing Pitman Qualifications award as relevant alongside this programme English for Speakers of Other Languages higher intermediate level If candidates do not have the above qualifications they should have secondary school leaving passes in English mathematics and science Progression routes and recognition We consider the following programmes to be relevant progression routes from this programme Advanced Technician Diploma in Electrical and Electronic Engineering 8030 2000 A number of UK universities and other higher education institutions will accept success at diploma or advanced diploma level of this programme for direct entry onto higher level programmes The decision to accept a candidate on to a degree programme and the level of entry is up to the institution We provide details of organisations recognising achievement in this programme Useful publications We can provide a list of suggested text books covering specific areas of this programme We may also have knowledge about other support materials You should make sure that you have the latest information We will automatically send updated lists to centres we have approved to offer this programme approved by Plain English Campaign Plain English Campaign s Crystal Mark only covers the Technician Awards in Engineering regulations Regulations 2000 edition 11 This page is intentionally blank Syllabus IVQ in Electrical and Electronic En
63. mises must be arranged The candidates will need to be able to trace the main circuits supplied from the substation If necessary this could be done from drawings ofthe system if access is difficult Detailed wiring diagrams are not required Health and Safety issues must be explained to candidates in relation to the electrical hazards present in substations and other hazards present in industrial commercial premises Writing up this assignment may be done outside the 2 hour practical session 3 Candidates instructions 3 1 The time allowed for this assignment is 2 hours excluding the write up You are advised to read all the instructions before commencing work If you do not understand the instructions then please ask your instructor 3 2 Avisit willbe arranged for you to study a small distribution system You will be required to investigate and record the basic arrangement of the system and the types of equipment used 3 24 Sketchthe layout ofthe local substation 3 2 2 Record the type of switchgear installed and its rating 3 2 3 Record the type of protection used for the circuits 3 2 4 Record other equipment installed 3 2 5 Draw single line and block diagram showing the equipment installed between the substation and the outlets for power lighting and electrical machinery It is not necessary to produce detailed wiring diagrams for the system 3 2 6 Describe the purpose of each piece of equipment included in
64. on 6 Instructor notes Candidates are required to design build and test a single stage junction transistor common emitter amplifier Candidates have 6 hours to complete this assignment Instructors must ensure that health and safety regulations are observed at all times IVQ in Technician Awards in Electrical and Electronic Engineering 8030 2000 3 Candidates instructions 31 3 2 53 3 4 3 5 3 6 3 7 3 8 3 9 3 10 341 3 12 3 13 The time allowed for this assignment is 6 hours You are advised to read all the instructions before commencing work If you do not understand all the instructions then please ask your instructor In this assignment you are required to identify the components see circuit diagram section 6 solder the components to the matrix board to the layout in the circuit diagram List the components required from the diagram section 6 Plan the layout on graph squared paper and ensure the layout is economical Check the layout is correct with your instructor Insert the components in the strip board and insert pins in appropriate holes in the board to anchor the components Solder the components to the pins to form the amplifier circuit shown Power up circuit using 9 volt power supply unit or battery Check dc levels throughout circuit and record the values Input 1 kHz signal from signal generator and display input and output on an oscilloscope Adjust input amp
65. ons before commencing work Ensure that you understand all the instructions and follow them precisely If you are in any doubt askthe instructor Setthe following margins and justification 3 24 aleftmargin of 3 cm and a right margin of 2 5 cm 3 2 2 justification to full 3 2 3 setappropriate tabs to display list of printers Produce the letter see section 6 in a suitable business style Type in today s date Make the heading Order Number CC145 bold Use the tabs to display the list of printers Use italics for the text taken from Printing News Use the spell check to check the spelling of your letter Save the document with a suitable filename and print it out Make the following changes to your letter 3 10 1 set the justification to left aligned 3 10 2 change the font to an alternative appropriate font 3 10 3 change the font size by two points eg 10 point to 12 point 3 10 4 save and reprint the letter Write your name on the print outs of the letters and hand them in to your instructor Syllabus 2000 edition 27 4 Marking 44 4 2 4 3 44 4 5 4 6 4 7 4 8 4 9 4 10 4 11 Assignment completed in 2 hours Following specification met 4 24 left and right margins set correctly 4 2 2 justification set correctly 4 2 3 tabs set appropriately Business letter produced with suitable layout Today s date entered Heading made bold Printers displayed in tab format Italics used for
66. or and 8W resistor respectively With the input signal frequency setto 1kHz the input and output voltages measured using the oscilloscope The overall mid band voltage gain calculated 4 6 4 With the connections as in 4 6 3 the input voltage increased to determine the maximum available undistorted output voltage and the amplitude ofthe input sienal required to achieve this recorded From the amplitude of the output voltage the ac output power delivered to the 8W load calculated 4 6 5 Under conditions of maximum ac output power measure the dc current taken from the power supply measured and a the dc power supplied to the amplifier and b the conversion efficiency of the amplifier calculated 4 6 6 The conditions as at 4 6 3 reset the input signal over a range of frequency varied and the change in the amplitude of the output voltage on the oscilloscope to determine the bandwidth of the amplifier monitored 4 7 Atestreportwritten 4 8 Work handed in to the instructor 5 Assignment completion The candidate will have satisfactorily completed this assignment if successful in all the items marked with A period of several days must elapse before an unsuccessful candidate may retake this assienment Syllabus 2000 edition 41 6 Assignment documentation 61 Integrated circuit power amplifier Fig 1 tV O 2 14 O e 9 470yF 2m2 log 6 i 2R7 p a 5 Ei 6 00nF
67. ottish Intermediate 2 Credit S Grade Level 21VQ Technician Certificate BTEC First Certificate Level 2 vocational awards NVQ SVQ Level 2 1 Level 1 IVQ Certificate GCSE grades D G Level 1 vocational awards Scottish Intermediate 1 General S Grade NVQ SVQ Level 1 Scottish Access 1 and 2 National Qualifications Framework of England Wales and Northern Ireland NQF Broad comparability in level KK Only graduates of the City amp Guilds College Imperial College of Science Technology and Medicine are awarded the Associateship ACGI Partofanew qualification structure which is being introduced across the IVQ provision IVO International Vocational Qualifications NVQ National Vocational Qualifications 06 IVQin Technician Awards in Electrical and Electronic Engineering 8030 2000 IVQ in Electrical and Electronic Engineeering 8030 2000 About City amp Guilds We provide assessment and certification services for schools and colleges business and industry trade associations and government agencies in more than 100 countries We have over 120 years of experience in identifying training needs developing assessment materials carrying out assessments and training assessment staff We award certificates to people who have shown they have mastered skills that are based on world class standards set by industry City amp Guilds International provides a particular service to customers around the world who need high quality assessments and
68. pair complementary pair dc feedback pair NAND NOR logic gates 212 5 Identify from manufacturers data a range of integrated circuits Integrated circuits operational amplifiers combinational sequential logic gates regulators 212 6 State the scale of integration relating to integrated circuits and identify appropriate applications of each Scale and applications SSI basic logic gates MSI counters and shift registers LS RAM and ROM VLSI microprocessors eg 6502 Z80 SLSI Pentium 212 7 Explain the use of active devices as current sources and sinks in integrated circuits Signal shaping and coupling circuits 212 8 Describe with the aid of waveform sketches the operation of capacitor resistor CR circuits and the effects ofthe time constant on both square wave and sine wave input signals Circuits differentiating integrating 212 9 Determine by calculation and graphically the signal attenuation phase shift and frequency response of typical CR coupling circuits with sine wave inputs 212 10 Sketch voltage waveforms to show the effect of junction diodes and voltage reference diodes Zener used in conjunction with suitable biasing voltages to form shaping and clamping circuits Basic transistor circuits 21211 Describe briefly the construction and operation of transistor bipolar junction transistors BJT and field effecttransistors FET 21212 Explain how the dc operating conditions of common source
69. pletion The candidate will have satisfactorily completed this assignment if successful in all the items marked with A period of seven days must elapse before an unsuccessful candidate may retake this assignment An alternative circuit design should be used Syllabus 2000 edition 37 6 Assignment documentation 6 1 Common emitter transistor amplifier Input 38 IVQ in Technician Awards in Electrical and Electronic Engineering 8030 2000 213 Electronics Practical Assignments Practical assignment 213 3 Build and Test an Integrated Circuit Power Amplifier 1 Competence references 212 2 31 2 Preparation 2 1 2 2 2 3 Location of test The training centre or other venue where supervision and appropriate working conditions will be provided Requirements Components 1 LM380 or equivalent 2M2 logarithmic potentiometer 2R7 resistor 8623 watt resistor 4704F electrolytic capacitor 100nF capacitor suitable circuit board with combined heat sink as advised by the manufacturers 3 2 Tools kit of small tools and soldering iron for electronic assembly resin cored solder 3 3 Test equipment 8Q loudspeaker crystal microphone dc power supply multimeter analogue or digital audio signal generator 2 channel oscilloscope and suitable test leads Support facilities drawing and writing materials LM380 or equivalent data sheet copy of section 6 Instructor notes Candidates
70. practical assignments and projects will need extra time and guidance to make sure that they meet all the requirements for this part of the assessment In this publication we use the term centre to mean a school college place of work or other institution Resources If you wantto use this programme as the basis for a course you must read this booklet and make sure that you have the staff and equipment to carry out all parts of the programme If there are no facilities for realistic practical work we strongly recommend that you develop links with local industry to provide opportunities for hands on experience Regulations 2000 edition 07 Summary of Assessment There is one level ofthis award Diplomas We use anumbering system to allow entries to be made for our awards The numbers used for this programme are as follows Award number 8030 22 Technician Diploma in Applied Electrical Engineering oO Technician Diploma in Electrical Engineering Theory a v T oO Cy gt 5 Qa T Diplomain ctronic Engineering Applied E oO Technician Diploma in Electronic Engineering Theory We use award numbers to describe the subject and level of the award Component numbers 210 Engineering Fundamentals 2 211 Computer Aided Communication Practical Assignments 212 Electronics 213 Electronic Practical Assignments 214 Electrical Power 215 Electrical Practical Assignments We use compon
71. r notes Candidates are required to produce an engineering database The database structure contains five fields and contains 47 records The database table thus created will be used to produce information on particular aspects of the stored data 3 Candidates instructions 31 3 2 3 3 3 4 35 3 6 3 8 You have 3 hours to produce an engineering database which holds data on an engine driven lawnmower see section 6 Prepare the structure of the database to contain the ollowing fields Price Part no o off Description Section Ensure that each field is of suitable length and data type Enter data from section 6 into the database Obtain a print of the database table Sort the file in ascending price order Print out the sorted file Ask query the database to produce and print out the following lists 3 771 allthe records which are in the engine section 3 2 a the parts costing 1 00 or less 3 7 3 allthe records of parts priced between 1 00 and 2 00 inclusive 3 7 4 alltherecords of which contain a no off value of 3 or 4 Ensure your name is on your floppy disk and all your print outs and hand in to the instructor Syllabus 2000 edition 21 4 Marking 41 Assignment completed in 3 hours 4 2 Database contains correct number of fields 4 3 The structure ofthe database correctly produced 4 4 Datacorrectly input into the database 4 5 The database table printed out 4
72. racket only Handlebars 2 50 3619 2 Upper Bearing Block Handlebars 2 50 3620 2 Lower Bearing Block Mainframe 1 75 3622 1 Spring Handle Handlebars 3 20 3623 1 Rear Flap Handlebars 3 50 3624 1 Handle Grip Handlebars 0 80 3667 2 Rivet Handlebars 2 90 4207 1 Front Axle Plate with Nut N S Mainframe 2 80 4208 1 Front Axle Plate with Nut O S Mainframe 4 20 4209 1 Rear Axle Assembly Mainframe 1 60 4210 2 Connecting Rod Engine 2 20 4884 1 Spring Handle Retaining Clip Mainframe 1 20 4912 2 Disc Spring Mainframe 5 50 5704 1 Handlebar Lower Handlebars 1 20 5662 2 Handlebar Clamp Screw Assembly Handlebars 0 90 4918 2 Outer Clamp Plate Handlebars 20 5186 1 Banking Plug Mainframe 0 90 5187 2 Axle Plate Setscrew and L nut Mainframe 8 50 5219 4 8 x 124 Wheel c w Bearing Mainframe 4 50 5220 4 Wheel Cover Mainframe 1 00 5221 1 Bearing Mainframe 20 00 9248 1 Engine Engine 3 50 6253 1 Throttle control and blade Engine 1 20 5631 1 Mounting Block Engine 4 50 5649 1 Handlebar Upper Handlebars 3 20 5659 1 Throttle Cable Bracket Engine 2 10 226013 2 Knob Engine 0 80 9070 4 UNF Setscrew 24 x 94s Engine 0 80 9080 2 UNF Bolt 17 x 6 Mainframe 0 80 9086 4 UNF Bolt 124 x94 Mainframe 1 00 9082 1 UNF Bolt Full Dog Point Handlebars Syllabus 2000 edition 23 0 90 9116 1 UNF Setscrew 174 x 34 Engine 1 10 9209 11 UNF Nylock Nut 6 Handlebars 1 10 9231 4 UNF Nylon Nut Thin 14 Engine 0 50 9266 15 O D Washer 94s x 54 Main
73. re absent Each certificate or diploma clearly states what candidates need for full certification at the relevant level allowing schools colleges and employers to see whether they have met the full requirements If candidates successfully finish all the requirements for a full certificate or a diploma they will automatically receive the appropriate certificate We will send the Notification of Candidate Results Certificates of Unit Credit certificates diplomas and advanced diplomas to the examination centre to be awarded to successful candidates Itis your responsibility to give the candidates the certificates If candidates have a question about the results and certificates they must contact you You may then contact us if necessary We will also send you a results list showing how all candidates performed Regulations 2000 edition 09 How to offer this programme To offer this programme you must get approval from us There are two categories of approval Subject approval We give approval to offer a teaching course based on this syllabus Examination centre approval We give approval to enter candidates for examinations To be approved by us to offer a teaching course you must send us the application form To enter candidates for examinations you must be approved by us as an examination centre For this programme it is possible to act as aregistered examination centre only and accept external candidates Approved
74. sienments 08 Summary of assessment 55 Instructor notes 08 Diplomas 55 Candidate instructions 08 Awardnumber 55 Marking 08 Componentnumbers 55 Supervision O8 Assessments 55 Records results and certification 08 Technician Diploma in Applied Electrical Engineering 55 Visiting verifier 08 Technician Diploma in Electrical Engineering Theory 56 Model of candidate assessment record forms 09 Technician Diploma in Applied Electronic Engineering 09 Technician Diploma in Electronic Engineering Theory 09 Fixed and free date assessments 09 Results and certification 10 How to offer this programme 10 Subject approval 10 Examination centre approval 10 Other information 10 Designing courses of study 10 Presentation format of units 10 Competence statements 10 Practical assignments 11 Entry levels 11 Progression routes and recognition 11 Useful publications This page is intentionally blank Important notice Following the accreditation of the Technician IVQs in Electrical and Electronic Engineering 8030 2000 on the National Qualifications Framework of England Wales and Northern Ireland NQF some changes have been made to the qualification at the request of the Office of the Qualifications and Examinations Regulator Ofqual the qualifications regulator in England These changes took effect on 1 June 2009 and are outlined on this page Note the content ofthe qualifications has not changed following accreditation Ch
75. suitable test leads Support facilities drawing and writing materials copy of section 6 2 3 Instructor notes Candidates are required to connect up the networks in section 6 observe the effects of wave shaping networks on acsignals record the results and explain the operation of the networks Candidates have 3 hours to complete this assignment Instructors must ensure that health and safety regulations are observed at all times 3 3 3 Candidates instructions You have three hours to complete this assignment In this assignment you are required to observe the effects of wave shaping networks on ac signals record all results explainthe operation of the networks Signal connections and test procedures 3 21 Connect in turn each of the networks shown in section 6 figures 1a 1b and 1c to a signal generator and oscilloscope as shown in figure 2 3 2 2 For network 1a set the function generator to give a 1kHz sinewave having an amplitude of 24V peak to peak This waveform is monitored on channel 1 of the oscilloscope 3 2 3 Observe the output waveform of the network on channel 2 of the oscilloscope 3 2 4 Sketch the shape of the waveform and record the voltage levels of both the negative and positive peaks measured with respect to zero volts of dc 3 2 5 Replace network 1a with network 1b and repeat steps 3 2 3 and 3 2 4 keeping the same input signal 3 2 6 Replace network 1b with network 1c and change
76. tage equation V E I3Rg for each connection and each mode of operation Mode generator motor Derive the speed and torque equations for a dc machine in the formT k gl andN E kb Use voltage speed and torque equations to obtain the terminal voltage load characteristic for each type of dc generator Generators shunt series compound separately excited Usethe voltage speed and torque equations to obtain the speed load torque characteristic for each type of dc motor Types of motor separately excited shunt series and compound Describe the process of self excitation for a dc machine operating as a generator Determine graphically the terminal voltage of a dc shunt generator from an excitation characteristic and a field resistance line 214 50 Define the term critical field resistance 214 51 Describe the various forms of loss occurring in a dc machine Forms of loss armature field winding 214 52 Solve problems on dc motors and generators 214 53 Describe methods of varying output voltage of dc generators 214 54 Describe methods of varying the speed of dc motors and explain their limitations 214 55 Solve problems associated with varying output voltage and speed of dc machines 214 56 Explain the need for motor starters 214 57 Explain with the aid of diagrams armature reaction and commutation in dc machines 214 58 Describe methods used to overcome the effect of armature reaction on commutation M
77. ted voltage levels 4 3 2 Name written on work and handed into instructor IVQ in Technician Awards in Electrical and Electronic Engineering 8030 2000 5 Assignment completion The candidate will have satisfactorily completed this assienment if successful in all the items marked with A period of several days must elapse before an unsuccessful candidate may retake this assignment An alternative circuit design should be used 6 Assignment documentation 61 Wave shaping 4n7 6 80R 6 80R 8 2V UP O P 8 2V O P 8 2V O P JOR IP Fig 1a Fig 1b Fig 1c Fig 2 Syllabus 2000 edition 35 213 Electronics Practical Assignments Practical assignment 213 2 Design and Build a Common Emitter Transistor Amplifier 1 Competence references 2121 2 Preparation 241 2 2 2 3 36 Location of test The training centre or other venue where supervision and appropriate working conditions will be provided Requirements Components Range of electronic components 1 transistor 4 resistors and 2 capacitors Suitable circuit board strip board or printed circuit board Tools kit of small tools and soldering iron for electronic assembly Resin cored solder Test equipment dc power supply multimeter analogue or digital audio signal generator 2 channel oscilloscope and suitable test leads Support facilities eraph or squared paper drawing and writing materials Transistor data sheet Copy of secti
78. text taken from Printing News Spell check carried out File saved with a suitable filename and printed on headed paper The following changes made to the letter 4 10 1 justification left aligned 4 10 2 font changed 4 10 3 font size changed by 2 points 4 10 4 letter saved and reprinted Print outs handed in 5 Assignment completion The candidate will have satisfactorily completed this assignment if successful in all items marked witha A period of seven days must elapse before an unsuccessful candidate may retake this assienment 28 IVQ in Technician Awards in Electrical and Electronic Engineering 8030 2000 6 Assignment documentation Please send the letter to Mr D Green Carlton Computers plc 14 Milton Road Ashford Kent TN28 1UR Text of letter Dear Order Number CC145 With reference to your order received today am writing to inform you that the Printer X1 50 is not available at present I suggest you replace the printer with one of the models listed below No 1233A Printer X2 50 200 00 No 1334A Printer X2 100 250 00 No 1335B Printer X3 100 300 00 The alternative is to take up the special offer available from January 1 in Printing News which states that customers can return their current printerX2 50 in part exchange for the later model Printer X2 100 or the colour printer X3 100 Customers who are interested please contact Mr Jones at Head Office on 144 0171 288
79. ts generation of heat unwanted reduction in efficiency 210 90 Draw graphs of effort E against load W from experimental results on simple machines and obtain the law of the machine E aW b Show that the limiting value of efficiency is 1 aVR 210 91 Explain the term overhauling and why simple lifting machines are designed to have an efficiency of less than 50 Heat 210 92 Define thermal conductivity and state that thermal resistance is the reciprocal of conductance 210 93 Derive an expression for the heat conducted in terms of cross sectional area A length I of the conductor temperature difference T gt T and the coefficient of thermal conductivity k KA TzT1 l 210 94 Solve simple problems related to heat transfer by conduction Q 210 95 Explain Boyle s law and Charles law 210 96 Combine the laws in 210 95 to give the general gas law PV T a constant 210 97 Solve problems relating to pressure volume and temperature of gas Direct current electrical circuits 210 98 Explain Ohm s law and solve problems relating to voltage current and resistance 210 99 210 100 210 101 210 102 210 103 210 104 210 105 210 106 Identify from electrical circuit diagrams series and parallel connections of resistors and in each case derive an expression for the equivalent resistance Solve problems involving series parallel and series parallel circuits limited to four resistors an
80. ve frequencies and draw an ogive 210 10 Interpret descriptive data summarised in tables andin diagrams 210 11 Describe the need to measure the dispersion of data 210 12 Define standard deviation and variance 210 13 Calculate values of standard deviation for both erouped and ungrouped data Logarithms 210 14 Define xas Ig N when N 10 210 15 Define xas In N when N eX 21016 Define the inverse of aX y as x loggy logpx 210 17 Apply change of base rule where log x logpa 14 IVQ in Technician Awards in Electrical and Electronic Engineering 8030 2000 210 18 State and apply the laws of logarithms in the following forms where b is any base Forms loggMN loggM logpN loggM N loggM loggN loggN a logpN Algebra 210 19 Simplify and evaluate algebraic expressions involving negative indices 210 20 Evaluate algebraic expressions involving fractional indices expressed in both numerator denominator and decimal form 210 21 Transpose formulae which contain a root or power 210 22 Transpose formulae in which the subject appears in more than one term 210 23 Simplify and evaluate algebraic expressions involving whole number indices 210 24 Simplify and evaluate algebraic expressions involving negative number indices 210 25 Solve linear equations Solve a pair of simultaneous linear equations in two unknowns by both substitution and elimination 210 26 Factorize quadratic expressions of the form of
81. y a pair of simultaneous equations in two unknowns Linear equations y m4X C y M2X C2 Sketch graphs of parabolas relating to quadratics Parabolas y ax2 y ax2 c ys x b y x b 2 c y ax2 bx C Approximate the gradient of a non linear graph by defining the slope of a secant line between two points on the curve Understand the accuracy of the above approximation improves when the two points are brought closer together Approximate areas under non linear graphs and the x axis by splitting the region into uniform trapeziums Non linear graphs parabolas cubics logarithmic sinusoidal Understand the accuracy of the above approximation improves as the number of trapeziums within the defined region is increased Recognise the characteristic graphical and algebraic form of linear functions eg y mx c Sketch graphs of linear functions and identify slopes and intercepts and determine the corresponding linear laws Identify polynomial functions of order 2 or more results in a non linear graph Sketch graphs of simple quadratic functions identify the intercept and where appropriate the roots Identify that an odd degree polynomial possesses at least one real root 210 48 210 49 Sketch graphs of simple trigonometric functions and identify their periodic nature Functions sine cosine tangent Sketch graphs of simple exponential and logarithmic functions Calculus 210 50 210 51 210 52 21

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