Question 6
- (a) State the function of the following auxiliary systems in a motor vehicle:
- (i) door switch;
- (ii) oil pressure gauge;
- (iii) cigar lighter socket;
- (iv) horn;
- (v) fuel-reserve switch.
- (b)State the difference in operations between a circuit breaker and a fuse.
- (c)State two functions of a headlamp.
Observation
The candidates were expected to copy and complete the table.
- (a) Function of auxiliary system in a motor vehicle
- (i)Door switch: act as a switch for inner light
- (ii)Oil pressure gauge: indicates the pressure/level of oil in the engine
- (iii)Cigar lighter socket:
- serves as a heating socket
- recharging of cell phone battery
- drives FM modulator
- serves as a source for 12 volts.
- (iv)Horn: produces sound vibration to warn of road users of oncoming vehicle.
- (v)Fuel-reserve switch: used on some vehicles to give a reserve supply of a few litres of fuel.