ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

Week Topic and Sub-Topic MODULE A1 SAFETY, HEALTH AND WELFARE A1.1 General Health and Safety Procedures Objectives The student should be able to: 1. identify personal and general safety requirements governing workshops and worksites; 2. follow safety procedures based on rules and regulations for workshop and worksite Students will state requirements as prescribed through rules and regulations for the country. Students will list rules/regulations. Students will state procedures for specific rules and regulations in booklets, charts diagrams, videos. Students will list types of safety materials, tools, equipment, gear, accessories for electrical/electronic technology Student will identify protective clothing; foot, hand and head, etc. Electrical Electronic tools/equipment, ladders, scaffolding, heavy items, flammable and other materials. Students will state the necessary types, accessories, procedures, maintenance of equipment. Students will list the types of fires and fire extinguishers; Content: Objectives - Specific and Behavioural Methods and Activities Lecture and discussion with the students as to development of rules and regulations for the workshop based on the countrys existing codes. Demonstration of procedures relating to specific rules and regulations using booklets, charts, diagrams and videos. Materials and Resources

2012-13
Evaluation

Students will demonstrate the ability to recognise, identify and

The student should be able to: A1.2: APPROPRIATE HEALTH AND SAFETY MATERIALS, TOOLS, EQUIPMENT, GEAR AND ACCESSORIES 1. define safety materials, tools, equipment, gears, accessories; 2. identify the common safety gears, tools, equipment, materials and accessories for safe use; 3. demonstrate the safe use of materials, tools, equipment and accessories; 4. identify the different types of fires; 5. Operate a fire extinguisher

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

Students will give proper procedures to use fire extinguishers. Students will state the technique proper maintenance of fire extinguishers.

2012-13

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

Week Topic and Sub-Topic A1.3: FIRST AID Objectives The student should be able to: I. define accident, emergency; injury 2. describe how to get professional help when an accident occurs; 3. explain how to apply first aid on an injured person while waiting for professional help; A1.4: SAFE AND HEALTHY WORKING ENVIRONMENT The student should be able to: 1. identify hazards, workstations, waste and hygienic practices; Types of work environment, hazardous situations, disposals. Hygienic practices and requirement Safe disposal, 2. identify practices at the workstation/site with reference to the following a) familiarity with area(s); b) knowledge of hazards; c) maximization of resources; d) proper cleaning and maintenance schedule; e) suitable work and maintenance procedures/method; f) storage and space utilization; g) suitable behaviour patterns; Content: Objectives - Specific and Behavioural Students will define the terms; accidents, injuries, emergencies by type. Students will state the requirements and procedures to be followed after an accident. Students will list the contents of First Aid Kit. Students will list types of work environment, hazardous situations, and disposals. Students will demonstrate proper hygienic practices and requirements. Students will demonstrate knowledge of the environment and hazards; safe storage of materials and supplies, maintenance of tools, equipment and machine. Students will list rules, specifications and regulations specifications; for dealing with accidents. Students will define the terms; Methods and Activities Materials and Resources

2012-13
Evaluation

A1.4: SAFE AND HEALTHY WORKING ENVIRONMENT contd

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

h) correct methods of waste disposal; i) rules, regulations j) assessment and record recycling; 3. perform mock drills for emergencies The student should be able to: 1. identify types of accidents, injuries and emergencies; 2. describe the procedures followed in dealing with an accident; 3. prepare an accident report that identifies the cause of the accident, Fire, natural disaster, emergency procedures.

2012-13

A1.5: ACCIDENT REPORTS

Students will differentiate between; accidents, injuries, and emergencies. Students will prepare schedules and procedures in relation to relevant terms. Students will prepare accident report to give relevant information, Background: When? Where? Why? How? Whom involved, what involved, result, conclusion, recommendation/ action taken.

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

Week Topic and Sub-Topic A1.6: MAINTENANCE OF COMMON HAND TOOLS Objectives The students should be able to: 1. maintain, clean and inspect common hand tools; 2. describe the correct operational uses for such tools Content: Objectives - Specific and Behavioural Student will state the proper procedure for the maintenance of various common hand tools used in electrical/ electronic technology. Students will describe the correct operational use of; Pliers, wrench, spanners, hacksaw, plastic mallet, screwdriver, hammer, centre punch, cold chisel, taps and dies, tin snips etc. Methods and Activities Materials and Resources

2012-13
Evaluation Oral checking of student comprehension, and practical exercises to confirm understanding.

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

Week Topic and Sub-Topic MODULE A2: ELECTRICAL PRINCIPLES A2.1: ELECTRON THEORY Objectives The students should be able to: 1. draw and label structure of an atom, 2. define the units of electrical quantities; 3. use calculations to solve problems involving Q, I, t, V and R Students will define the terms; matter, elements, atoms, molecules and compounds; Students will state simple electron theory. Students will sketch the structure of the atom Students will give charge on each particle and define free electrons. Students will solve problems involving Coulombs, Amperes, Volts, and Ohms. Content: Objectives - Specific and Behavioural Methods and Activities Materials and Resources

2012-13
Evaluation

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

Week Topic and Sub-Topic A2.2: OHM'S LAW Objectives The student should be able to: 1. State Ohm's law as a relationship between current, voltage (p.d.) and resistance; 2. formulate and verify Ohm's law from experimental data; 3. manipulate formulae involving use of Ohm's law; 4. Calculate resistance, voltage and current in an electrical circuit using Ohm's Law. Experiment to verify Ohm's law. Definition of electric current, voltage and resistance. Show information using graphs. Formulae establishing the relationship between current, voltage and resistance. Application of Ohm's law. Concept of the conventional flow of current and electron flow. Content: Objectives - Specific and Behavioural Methods and Activities Materials and Resources

2012-13
Evaluation

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

Week Topic and Sub-Topic A2.3: RESISTANCE Objectives The student should be able to: 1. identify types of resistors; 2. identify resistor values from colour code for carbon resistors; 3. draw and connect resistors in series, parallel and series/ parallel; 4. calculate total resistance in series, parallel and series-parallel circuits; 5. connect rheostats and potentiometers in circuits; 6. state the factors affecting resistance of materials; Content: Objectives - Specific and Behavioural Types of resistors: carbon; wire wound; metalized; variable. Special types: VDR, LDR Resistor colour code. Resistors in circuit: series, parallel and series/parallel. Variable resistors used as rheostats and potentiometers. Factors affecting resistance: type of material; C.S.A.; length, temperature. Define Resistivity. Temperature coefficient. Concept of: Resistance/ temperature, positive temperature coefficient, negative temperature coefficient, zero temperature coefficient Temperature coefficient of resistance, resistivity, units. Materials used with positive, negative and zero temperature-coefficient. Selection of electrical conductors. Methods and Activities Materials and Resources

2012-13
Evaluation

7. define resistivity of materials and state its units. 8. define temperature co-efficient of resistance and state its unit; 9. solve problems involving resistivity and temperature coefficient of resistance; 10. Identify materials with positive negative and zero temperature coefficient of resistance.

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

Week Topic and Sub-Topic A2.4: TYPES OF CURRENT Objectives The student should be able to: 1. identify sources of AC and DC; 2. define alternating current and direct current; 3. compare AC and DC 4. using calculation, convert values from one to the other. Alternating current with reference to sine wave, cycle, frequency, period, amplitude, average value, r.m.s. value, phase, applications. Direct current with reference to magnitude and direction, waveform (sketch), AC, DC, Peak, RMS and average value. Molecular theory of magnetism; properties of magnets. Laws of magnetism. Magnetic materials: magnetic, non-magnetic and diamagnetic materials. Magnetic shielding. Simple electromagnets Direction of magnetic field: rules to determine the Content: Objectives - Specific and Behavioural Sources of alternating and direct current: Methods and Activities Materials and Resources

2012-13
Evaluation

A2.5: MAGNETISM AND ELECTROMAGNETISM

The student should be able to: l. explain the principle of magnetism; 2. apply the basic laws of magnetism; 3. determine types of magnetic materials; 4. explain the principle of magnetic shielding 5. wind a coil for an electromagnet; 6. determine the direction of magnetic field around a

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

current-carrying conductor; 7. plot the magnetic field around a single conductor and solenoid; 8. determine the direction of force between two currentcarrying conductors in parallel; 9. perform calculations to determine flux density and energy stored in a magnetic field. A2.6 (a): INDUCTANCE The student should be able to: 1. define inductance; (L) 2. connect inductors in electrical circuits; 3. wind simple transformers; 4. describe the effects of inductors in electrical circuits. Series and parallel, Time constant, Lenz's Law direction of field and current. (Conventional and electron flow). Magnetic field of a conductor and solenoid. Force between two currentcarrying conductors in parallel. Calculate flux density; energy stored in a magnetic field. Definition of flux, energy stored, force and their SI units. Self-inductance: effect on inductance in DC circuit, mutual inductance, Henry, energy stored "in a magnetic field, inductive reactance. Series and parallel. Choke coils, turns, ratios, voltage and, current transformers

2012-13

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

Week Topic and Sub-Topic A2.6 (b): CAPACITANCE Objectives The student should be able to: 1. define capacitance (C); 2. make a simple capacitor; 3. connect capacitors in an electrical circuit; 4. calculate total capacitance in series or parallel; 5. determine value of a capacitor by colour code; 6. identify the different types and applications of capacitors. Effects of capacitance in a DC circuit, time constant A2.7: TYPES OF AC &DC CIRCUITS The student should be able to: 1. define the basic components of a simple circuit; 2. deduce current and voltage relationships in series and parallel AC & DC circuit; Simple circuits; source, load, conductor, control and protection Series and parallel circuits: current and voltage relationship; RL, RC and RCL Network, impedance, Power Factor. Capacitors in series and parallel. Capacitor colour code. Dielectric strength. Energy stored in an Electric field. Quantity of charge in a capacitor. Types and construction of capacitors. Content: Objectives - Specific and Behavioural Methods and Activities Materials and Resources

2012-13
Evaluation

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

Week Topic and Sub-Topic A2.8: POWER AND ENERGY Objectives The student should be able to: 1. define electrical power and energy, and state their SI units; 2. use power formula to perform calculations; 3. calculate power in series and parallel circuits, using power formula; 4. read a kwh meter; Manipulation of power formula. Content: Objectives - Specific and Behavioural Definition of power and energy; units of measurement, Methods and Activities Materials and Resources

2012-13
Evaluation

Power in series and parallel circuits.

Kilowatt-hour meter: analogue and digital types

A2.9: PRIMARY AND SECONDARY CELLS

5. calculate simple energy bills The student should be able to: 1. define primary and secondary cells; 2. conduct simple experiments demonstrating the conversion of chemical energy to electrical energy; 3. connect cells in series and parallel as a source of power; 4. differentiate between e.m.f and p.d. of a cell; 5. determine the resultant voltage of cells connected in series and Leclanch, Mercury, Nickel Cadmium cells, and their e.m.f's: essential differences between primary and secondary cells. Chemical to electrical energy.

Simple voltaic cells; electrolytes; wet and dry cells; Polarization Definition of e.m.f and p.d.

Cells in series and parallel.

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

parallel 6. calculate internal resistance of cells; 7. charge and maintain secondary cells; 8. determine level of charge of secondary cells A2.10: ELECTRICAL MEASURING DEVICES AND MEASUREMENT The student should be able to: 1. sketch and label constructions of moving-coil and moving-iron instruments; 2. connect electrical measuring instruments in circuit; 3. read and interpret linear and non-linear scales when using instruments; 4. calculate series and shunt resistances for scale extensions; 5. explain the principle of operation of Wheatstone bridge; 6. outline factors which affect the sensitivity of instruments; 7. identify various waveform patterns on the oscilloscope; Internal resistance. Characteristics and advantages of lead-acid and alkaline cells. Charging lead-acid cells. Mixing electrolyte. Hydrometer and high rate discharge test Moving coil and moving-iron instruments. Precaution in connecting and handling measuring devices, voltmeter, ammeter, ohm-meter, wattmeter and multi-meter, Analog and Digital. Linear and non-linear scales; uses of series resistors in voltmeters. Function of shunt and series resistors in ammeters and voltmeters; use of series and shunts. Wheatstone bridge.

2012-13

Ohms per volt, damping and meter movement (qualitative treatment). Definition of Sensitivity. Waves: square, saw tooth, sine,

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

8. measure voltage and frequencies on the oscilloscope; 9. use signal generator to supply various waveforms to circuits. use of controls; CRT. Voltage and frequency measurements using the oscilloscope. Signal generator: function and application.

2012-13

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

Week Topic and Sub-Topic MODULE A3: POWER A3.1: ELECTRICAL MOTORS AND GENERATORS Objectives This student should be able to: 1. connect single and three phase motors to supply mains; 2. reverse the direction of rotation for AC and D.C motors; 3. service and maintain electric motors; 4. connect simple DC machines; 5. calculate synchronous speed and percentage slip for AC. motors; 6. calculate induced e.m.f based on Lena's law. 7. vary voltage output of some generators; 8. service and maintain generators; Content: Objectives - Specific and Behavioural Electric Motors Construction and operation of simple AC single and three phase motors. Reversal of rotation. Standard speeds. Simple starters for single and three phase motors, e.g AC/DC motors, direct-on-line (DOL) or across-the-line (ATL). Use of push buttons; stop, start, reversal. Maintenance and servicing of motors. Types of machines, construction, operation and uses of simple DC machine characteristics: series, shunt, compound; reversal of rotation; maintenance and servicing, universal motors and their application. Speed frequency, slip. Generators Types and construction of AC. and D.C. generators Maintenance and servicing. Varying output voltages. Methods of excitation. Terminal voltage, back e.m.f. Methods and Activities Materials and Resources

2012-13
Evaluation

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

Week Topic and Sub-Topic A3.2: SINGLE PHASE TRANSFORMER Objectives The student should be able to: 1. explain the principle of operation of a transformer; 2. calculate the turns, voltage and current ratios of transformers; 3. identify core construction and other types of single-phase transformers; 4. calculate power transformer efficiency; 5. state reason for inherent high efficiency of power transformer; 6. connect power transformers in circuits to supply load Content: Objectives - Specific and Behavioural Mutual inductance; energy stored in a magnetic field; isolation stepup and step-down transformers. Methods and Activities Materials and Resources

2012-13
Evaluation

Transformer action; formulae; transformation ratio. Core laminations: shell and core type; auto-transformers; double wound. Transformer losses: iron and copper losses; hysteresis; eddy current and copper; transformer cooling methods (air and oil). Single-phase connections; dual voltage primary and secondary connections. Polarity of winding; no moving parts hence no frictional loss. Oil; gas; hydro; coal; reasons for using AC instead of DC.

A3.3: POWER GENERATION,TRANSMISSION AND DISTRIBUTION

The student should be able to: 1. state the principal sources of primary energy used for the generation of electricity in the region; 2. describe briefly the principal methods of conversion of primary energy into electrical energy;

Steam-driven generators; internal combustion driven generators; hydro-driven generators; conditions necessary for method used.

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

Solar; wind; geo-thermal; tidal; bio-gas. The principal elements needed; power transformers; transmission lines; substations and load centres; distribution lines and transformers, low tension lines; service lines to consumer.

2012-13

3. identify and explain the use of alternative sources of primary energy for generating electricity; 4. explain the transmission 'arid distribution of electricity from the generating station to the consumer A3.4: MOTOR CONTROL The student should be able to: 1. Iist standard symbols and state function of devices used in motor control circuits; 2. draw and connect a wiring diagram using an elementary line diagram; 3. state the difference between a power and a control circuit; 4. describe the operation of AC manual contactor and motor starters; 5. state the basic types of reduced voltage starter.

Push button station, Relays, Limit switch, Timers Flow switch, Liquid level switch and other switches. One line diagram Wiring diagram Power circuits Sequence control circuit, twowire and three-wire control circuits. Forward, reverse, Jog, overload protection, over current protection, full voltage manual starter. Primary resistors, autotransformer part-winding, WYE delta.

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

Week Topic and Sub-Topic MODULE A4: ELECTRICAL INSTALLATION A4.1: PROTECTIVE DEVICES Objectives The student should be able to: 1. define short circuits and overloads; 2. list methods of short circuit and overload protection; 3. test and replace fuses and circuit breakers; 4. determine the rating of fuses and circuit breakers for various pieces of equipment. Content: Objectives - Specific and Behavioural Concept of "short circuit and overloads; dangers of short circuit. Methods of overload protection: fuses and circuit breakers; magnetic and bimetal devices; motor overload protectors. Types of fuses and circuit breakers used in building and household equipment. Fusing current, fusing factor, current rating, loading, selection of fuses and circuit breakers. Simple circuits using trembler bells, door chimes and buzzers. Normally open closed and normally circuits; relays; magnetic reed-switches. Principle of the telephone receiver and transmitter operation. Methods and Activities Materials and Resources

2012-13
Evaluation

A4.2: SIGNAL CIRCUITS

The student should be able to: 1. draw and connect various bell/buzzer circuits; 2. connect and test burglar alarm circuits; 3. explain the principles of operation of the telephone receiver and transmitter

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

Week Topic and Sub-Topic A4.3: LIGHTING FIXTURES AND CALCULATIONS Objectives The student should be able to: 1. identify different types of lamps and lamp bases/sockets; Content: Objectives - Specific and Behavioural Types of lamps and lamp bases/sockets, Edison, screw, bayonet. Gas-filled lamps: mercury; incandescent; fluorescent; sodium halogen. Incandescent, effect on voltage, circuit, light intensity. Methods and Activities Materials and Resources

2012-13
Evaluation

2. list advantages and disadvantages of incandescent and gas-filled lamps;

3. explain the rationale for connecting lamps in series or parallel;

Operation of fluorescent lamps and control gear; instant start, rapid start, switch start, fault tracing. Wall and ceiling fixtures and mounting devices, earthing. Illumination, inverse square law; cosine law; luminous intensity.

4. draw and connect fluorescent lamp circuits;

5. install wall and ceiling fixtures;

6. make simple calculations. lighting

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

Week Topic and Sub-Topic A4.4: WIRING INSTALLATION Objectives The student should be able to: 1. sketch and interpret simple wiring diagrams; 2. sketch various types of switches/receptacles used with common electric circuits; 3. install and connect fixtures for operation of lighting and power circuits for single phase operation; Content: Objectives - Specific and Behavioural Light and power circuit, earthing, polarity, insulation and continuity. SPST, DPST, two-way, Intermediate, 3-pin receptacles. Methods and Activities Materials and Resources

2012-13
Evaluation

Metal/PVC conduit, single and double insulated cable, colour code, lamp-holders, socket outlet, switches. Testing procedures: polarity, insulation, earthing, continuity, earth leakage circuit breaker. Sheathed and armoured cable; light gauge (EMT) and (PVC) conduits, types of termination

4. conduct tests on electrical circuits;

5. identify various types of wiring methods and terminations, their uses, applications and limitations

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

Week Topic and Sub-Topic MODULE A.5 ELECTRONICS A5.I: THERMOELECTRICITY Objectives The student should be able to: 1. describe the thermoelectric effect of electricity; 2. explain the basic principles and applications of heat sensitive devices; (A) DIODES The student should be able to: 1. describe the structure of semiconductor materials; Rectification circuits: half-wave and fullwave 2. connect and describe the action of full and half-wave rectification circuits; 3. state the function of the power transformer in rectifier circuits; Bridge and Bi-phase full-wave rectification (centre tap). Content: Objectives - Specific and Behavioural Thermionic emissions. Methods and Activities Materials and Resources

2012-13
Evaluation

Thermistor, thermocouple

A5.2: SEMICONDUCTOR DEVICES

Electron theory, valence, doping, N & P type materials, PN junction; Ideal diode and semiconductor diodes

Smoothing circuits LC/RC filter (pi-network). Zener diode operation; characteristics, avalanche/ breakdown effect; applications; calculations of series resistor. Voltage-doubler circuits

4. describe the capacitors and filtering circuits; action of inductors in 5. explain how voltage regulation and stabilization are achieved by use of the Zener diode; 6. connect and explain the principle of operation of voltagedoubler circuits;

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

(B) BI-POLAR JUNCTION TRANSISTOR 7. describe the operation of the transistor; Action and characteristics of transistors; terminal identification test. Types: PNP and NPN, polarities of supply to circuits; use of ohmmeter to test transistors. Amplification in CE, CB, CC circuits; calculate transistor parameters using loadline. Comparison of input, output of transistor circuits; biasing (use of oscilloscope).

2012-13

8. connect basic transistor circuit in CE, CC, CB configurations;

9. list advantages and selections of CE, CC CB configuration;

10. explain the functions and operation of circuit components of Class A and Class B amplifier; (C) THYRISTORS (SCRs) II. describe the construction, characteristics, and operation of a thyristor;

Thyristor: layer construction; terminals; anode, cathode, gate. Application of thyristor, for example dimmers, battery charger, speed control.

12. list some common applications of the thyristor.

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

Week Topic and Sub-Topic A5.3: BASIC DIGITAL LOGIC ELEMENTS Objectives The student should be able to: 1. draw and identify symbols for common logic gates; Logic Gates: AND, OR, NOT, NAND. NOR, Exclusive - OR, inverter. Content: Objectives - Specific and Behavioural Methods and Activities Materials and Resources

2012-13
Evaluation

2. develop truth tables for single logic gates; 3. write simple Boolean expression for logic gates; 4. explain the underlying principles for logic gates by use of mechanical switches; 5. describe the fundamental concept of ICs; 6. list the advantages of the use of ICs.

(British and American symbols), binary system. Applications or uses of logic gates.

Use of SPST and DPST switches to establish logic principles.

Integrated Circuits(lCs).Comparisons with discrete components Classifications: digital - switching; linear - amplifiers. Advantages; reliability. Application - OP AMP (Qualitative treatment only).

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

Week Topic and Sub-Topic A5.4: BASIC RADIO & TV TRANSMITTING/RECEIVING SYSTEM Objectives The student should be able to: 1. describe the production and use of electromagnetic radio and TV frequency waves; 2. identify the application of common directional and omnidirectional receiving antennae; Content: Objectives - Specific and Behavioural (This module should be treated qualitatively) Methods and Activities Materials and Resources

2012-13
Evaluation

Characteristics of magnetic waves; low and high frequency; harmonics; calculation of wave length and frequency. Receiving antennae for home radio and TV reception. AM/FM modulation advantages and disadvantages. Radio and TV receivers and oscillators. Knowledge of sequence of stages in AM/FM radio and TV receiver/transmitter.

3. describe the action of a tuned circuit modulation in radio and TV circuits; 4. draw a block diagram of the stages of a radio and TV receiver/transmitter.

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

Week Topic and Sub-Topic MODULEA6: ELECTRICAL/ELECTRONIC DRAFTING Objectives The student should be able to: 1. identify standard symbols used in electrical circuit; 2. draw symbols to engineering standard A6.2: BLUEPRINT READING The student should be able to: 1. state the characteristic of various types of electrical plans; 2. utilize the methods and techniques used in industry to interpret plans for electrical installation; Plot plan, residential plan, and commercial plan. Types of distribution systems, signalling circuits. Symbols, wiring layout, specification of plans. Basic design procedures, linework, regulation, symbols, abbreviation (notations) Type, size, line-weight, orientation and abbreviation. Content: Objectives - Specific and Behavioural Methods and Activities Materials and Resources

2012-13
Evaluation

A6.1: SYMBOLS

3. design and draw electrical plans to engineering standards

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

Week Topic and Sub-Topic A6.3: ONE-LINE DIAGRAM Objectives The student should be able to: 1. state the purpose of utilizing one-line diagrams; 2. describe the principle of operation of one-line diagrams; 3. state the principles governing preparation of one-line diagrams; 4. convert one-line to three-line diagram and vice versa A6.4: ELEMENTARY DIAGRAM The student should be able to: 1. state the characteristics of an elementary diagram; 2. describe the principle of operation of an elementary diagram; 3. prepare simple two and three wire control circuits for induction motors for a given set of operation specifications; Symbols, power circuit, control circuit. Sequence control, two-wire control, three-wire control. Basic design procedure, linework, regulation, notations Content: Objectives - Specific and Behavioural One-line diagrams. Methods and Activities Materials and Resources

2012-13
Evaluation

Symbols, type of distribution system, devices characteristic. Basic procedure, Linework, regulation, notations. Basic procedure, linework, regulation, notations.

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Week Topic and Sub-Topic A6.5: SCHEMATIC DIAGRAM Objectives The student should be able to: 1. state the characteristics of schematic circuits; 2. describe the principle of operation of schematic circuits; 3. prepare schematic: diagrams to engineering standards A6.6: FLOW AND BLOCK DIAGRAM The student should be able to: 1. state the purpose of utilizing flow and block diagrams; 2. prepare flow and block diagrams to engineering standards Flow and block diagrams. Content: Objectives - Specific and Behavioural Symbols of Electronic/Electrical devices. Types of schematic circuit function of electronic devices. Basic design procedure, linework, specification. Methods and Activities Materials and Resources

2012-13
Evaluation

Basic design procedure, linework, specifications.

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

Week Topic and Sub-Topic MODULE A7: INTRODUCTION TO COMPUTER A7.1: BASIC COMPUTER APPRECIATION Objectives The student should be able to: 1. list the various parts that make up a computer system. Input and output devices, storage devices, control processing unit, system software, application software, computer networks, protective devices: voltage regulator, surge protector, UPS Boot up the system; format a blank disk; back up data; software application; copy files; file management; DOS Windows, Mac, OS. Content: Objectives - Specific and Behavioural Methods and Activities Materials and Resources

2012-13
Evaluation

A7.2: OPERATING THE SYSTEM

The student should be able to: 1. identify the steps involved in operating the computer system.

A7.3: BASIC SOFTWARE PACKAGES

The student should be able to: 1. perform simple tasks using commonly available applications Windows; productivity tools: Word-processing, Spread sheet, Data Base Management, AutoCAD, Graphic Packages

A7.4: COMPUTER APPLICATIONS

The student should be able to: 1. list the many uses of the computer in Industry; Accounting/financial applications; human resource applications; material/inventory management; process control; robotics; decision support system; research and development, CAD/CAM, CNC.

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

Week Topic and Sub-Topic MODULE A8: CAREER OPPORTUNITIES A8.1: CAREERS IN ELECTRICAL &ELECTRONIC ENGINEERING AND OTHER RELATED FIELDS Objectives The student should be able to: 1. list career opportunities in the Electrical & Electronic Engineering and related fields locally and regionally; 2. compare occupational profiles and descriptions of two occupations In the field of engineering; 3. identify opportunities/ situations in your community/ territory that: may lead to employment or selfemployment in Electrical and Electronic Technology or related fields; 4. source information on career opportunities Electrical and Electronic Technology; 5. Prepare and write report/short paper on: Great inventors and engineers. a) industrial tours made; b) current innovations In the field of engineering; c) engineers, inventors or educators who have made significant contributions to the field of engineering. Fields: Electrical Electronic Engineering; Mechanical/Production Engineering; Civil/Construction Engineering; Industrial Engineering. Industrial or maintenance plants jobs. Content: Objectives - Specific and Behavioural Methods and Activities Materials and Resources

2012-13
Evaluation

Professional journals/organisations. Internet, newspapers.

Visits to multinational, regional, national engineering and service companies. Use of the computer in engineering.

ELECTRICAL AND ELECTRONIC TECHNOLOGY SCHEMES OF WORK

Week Topic and Sub-Topic A8.2: PROFESSIONAL ETHICS AND BUSINESS NORMS Objectives The student should be able to: I. list work habits necessary for the development of good work attitudes; 2. identify education/training/ qualification requirement for selected occupations in the field of Electrical and Electronic Engineering; Content: Objectives - Specific and Behavioural Code of ethics, f1unctuality, regularity, neatness, following instructions, safety attitude, tolerance, courtesy, human relations. Secondary education, practical experience and training certificate, Diploma, Associate Degree, Bachelor Degree. Methods and Activities Materials and Resources

2012-13
Evaluation

3. specify duties and responsibilities for occupations related to Electrical and Electronic Technology; 4. demonstrate knowledge of business norms, regulations and codes

Duties and responsibilities of semiskilled, skilled, supervisor, manager. Trade business/regulations, norms/codes. Manuals, professional associations. Legal and strategic requirements. Financial transactions - sources and procedures, contracts and agreements.