Light Vehicle Inspection Technician Initial Assessment

To satisfy the MOT test, the parking brake efficiencies must not be… Less than 58% Less than 16% Less than 20% Less than 50%

What could happen if there was a short circuit in a vehicle's lighting circuit? The lights would stay on. Nothing would happen. The vehicle would catch fire. The fuse would blow.

Information of vehicle MOT inspection is best found using… MOT inspection manual MOT testers guide Other MOT testers Google

An exhaust gas analyser result shows high CO readings. What is the most likely cause? Blocked air filter. Exhaust system leak. Engine carbon build up. Poor ignition.

During a vehicle inspection, you notice the front tyre treads are showing signs of feathering. This probably indicates that… The front dampers are defective. The front toe angles are incorrect. The power steering is defective. The camber angles are incorrect.

An EGR system is designed to lower the amount of which gas emission? CO CO2 HC NOx

Check ALL that apply. Before checking the exhaust emissions of a diesel engined vehicle, you should… check the engine oil level. check the condition of the cam belt. check the engine is at the correct operating temperature. change the engine oil and filter.

What would be the most likely fault where an alternator is over-charging? Faulty stator. Faulty regulator. Faulty rectifier. Faulty rotor.

Brake fluid should be checked for the presence of water by… using a refractometer. inspecting the colour of the fluid. tasting it. carrying out a brake fluid boiling point test.

A vehicle's stop lamps are often checked by first turning on the rear position marker lights and then operating the stop lights. Why is this done? To check the earth connections to the lamps. To check that the correct rating of fuse is used To check the bulbs are fitted the correct way around. So that the technician can check the operation of both lamps simultaneously to save time.

What might be the effect of a loose or dirty battery terminal connection? Engine misfire. Lack of engine pull. Poor starting. Poor fuel economy.

What does the abbreviation C.O.S.H.H. stand for? Control of systems harmful to humans. Control of sequences hurtful to hard-drives. Control of substances harmful to health. Control of substances hazardous to health.

What is the maximum free play allowable at the steering wheel for a rack and pinion steering system? 33mm 13mm 10mm 45mm

Which ONE of the following is true? A cut in excess of 25mm or 10% of the section width of a tyre that is deep enough to reach the casing cords… can be safely patched internally. is illegal and would fail an MOT. can be repaired using a combination plug patch. is only suitable for around town use.

What is the main requirement of negative camber angles? To increase kerb appeal of the vehicle. To increase tyre grip when cornering. To counteract road camber. To increase power transmission to the road.

What are the correct gloves to be worn when connecting and disconnecting an air conditioning refrigerant recovery machine? Flouroelastomer gloves. Nitrile gloves. Leather gloves. Neoprene gloves.

What could be the cause of excessive black smoke from the exhaust of a diesel engined vehicle? Worn pistons. Blown head gasket. Faulty injectors. Too much engine oil.

An LED would be described as… A transistor that emits light. A type of rectifier. A diode that emits light. An electronic sensor.

What voltage would you get if you tested between the vehicle's chassis and negative battery terminal? 0-0.25 Volts 12 Volts 0.25-6 Volts 0 Volts

Play in the upper attachment of a MacPherson strut should be checked by… Jacking the wheel clear of the ground, placing a bar under the wheel and leveraging upwards. Lowering the wheel onto turntables and rocking the top of the wheel in and out. Jacking the wheel clear of the ground and rocking the wheel from side to side. Lowering the wheel onto turntables, grasping the tyre at 6 and 9 o'clock and rocking the wheels in and out.

Using ohms law, what would happen to the amps in a circuit if the volts were increased? Amps would stay the same. Amps would increase. Amps would reduce.

What could be the effect of mixing mineral and vegetable based brake fluids? Damages rubber seals. Lowers the fluids boiling point. Improves the life of rubber seals. Improves braking efficiency.

A catch mechanism on the front passenger door has failed and the door cannot be opened from the inside. Which ONE of the following is correct? As long as the window opens, the door can be opened from the outside. The door needs to be openable from both inside and outside the vehicle. Only the drivers door needs to work. The door only needs to be openable from the outside.

To test for brake servo operation, the… Brake pedal should be pumped and held while starting the engine. Vehicle should be driven at 20mph and the brake pedal applied. Handbrake applied and the pedal pumped. Engine started and the brake pedal operated.

What is the correct tool for measuring a brake disc run-out? Dial test indicator. Vernier caliper. Micrometer. Steel ruler.

How is service brake efficiency calculated Braking effort multiplied by vehicle weight. Braking effort divided by vehicle weight. Vehicle weight multiplied by brake effort. Vehicle weight divided by brake effort

What is the largest allowable damage in zone A of a vehicle's windscreen? 20mm 40mm 6mm 10mm

Where would you commonly find a pulse generator? A transmission system. A chassis ECU. An electronic ignition system. A fuel system.

What is the minimum tread depth for a passenger carrying vehicle with more than 8 seats excluding the driver's seat? 1.6mm 2mm 1mm 3mm

When testing the headlamp beam aim on a European E-beam headlamp, you notice a white light in the area marked by the 0% vertical and 0.5% horizontal lines. What would be the correct action? Adjust the headlamp aim. Replace the headlamp unit. No action needed as this is a requirement. Replace the headlamp bulb.

What might be the main effect of broken turbine blades in a turbo charger? The engine would run normally but would burn oil. The engine would not crank. The engine would over-rev. The engine may start but would not accelerate.

What is meant when brake fluid is described as 'hygroscopic'? It absorbs air from the atmosphere. It absorbs water from the atmosphere. It is corrosive to metal components. It degrades rubber seals.

What does the abbrevation VIN stand for? Vehicle injection number. Vehicle identification number. Vehicle information number. Vehicle interpretation number.

Hazard warning lamps should be inspected… with and without the ignition on. with the engine running only. without the engine running only. It does not matter.

The light emitted from the rear fog lamp appears dim. Which ONE of the following is NOT a possible cause? Corroded reflector. Opaque lens tape. Corroded connections. Open circuit.

What would be the likely effect of loosening ONE injector fuel feed pipe on a common rail diesel engine? The engine would stop. That injector would seize. It would have no effect. The particulate filter would become clogged.

How would you connect a voltmeter and an ammeter to measure resistance in a switch? Voltmeter in series and Ammeter in parallel. Both in series. Both in parallel. Voltmeter in parallel and Ammeter in series.