Classification of circuits
State the two circuit arrangements, double pole or earth return system.
Identify Series and Parallel connections.
Circuit protection
Mention different protection measures and materials.
Voltage current regulator construction and function
Describe the construction of Voltage Regulator.
Describe the operation of Voltage Regulator.
describe the construction and operation of current regulator.
Voltage current regulator uses
State the uses of Voltage/current Regulators
Ignition coil construction uses and function
State the use of the Coil.
Describe the construction of the Coil.
Explain the functions (operation )of the Coil.
Contact breaker point replacement
Remove Contact points.
Recondition impaired points.
Couple new or recovered Contact points.
Adjust to correct gap in the installed Contact point
Brushing and brush replacement
Students should be able to remove unwanted bushings and brushes and replace them with new or desirable
ones.
Dismantling and assembling
Students should be able to dismantle and assemble Starter motors correctly.
Maintainance
Know the electrolyte speclflc gravity safe for Battery preservation.
The need for topping up electrolyte.
The symptoms for over-charging.
The requirements for safe idle-keeping of battery.
Testing
Interpret Hydrometer reading.
State specific gravity for: full, half and discharged battery.
Use of high rate discharge tester.
Determine the polarity of a battery.
Auxiliary circuit diagram
Read and interpret auxiliary circuit diagram.
Draw an auxiliary circuit diagram.
Label each unit that is classified as auxiliary.
Concept and need for auxiliary system
Explain the concept and need for Auxiliary system.
Identify units that fall into the auxiliary category.
Types of head lamps
Identify sealed type of head lamp.
Identify open ended type of head lamp.
Lightning circuit diagram
read and interpret the Lighting circuit diagram.
Draw a lighting circuit diagram.
Label each unit that make up the lighting circuit.
Purpose of lightening system
Explain the need for lighting.
Mention the obligatory lights.
Current rectification from AC to DC
Explain how AC is converted to DC in:
(a) Alternator and
(b) Dynamo.
Charging circuit diagram
Read and interpret charging circuit diagram
Accurately draw and label charging circuit.
State the purpose of each of the charging system units viz: alternator, battery, voltage regulator,
cutout/one-way diode.
Remove and fix back each of the charging system Units
Purpose of charging system/ alternator unit
State the use and purpose of charging system.
Identify an Alternator unit.
Spark plug, uses and construction
State the use of Spark Plug.
Differentiate between short and long reach plugs.
Remove and fix back Spark Plugs.
Ignition circuit diagram
Students should be able to: Read, draw and label Ignition Circuit appropriately.