Automobile Engineering MCQs

Question 1

The ignition in a spark ignition engine takes place when the piston is

Accepted Answer

Approaching the T.D.C. position on its compression stroke

Answer

Exactly at the T.D.C. position on its compression stroke

Answer

Leaving the T.D.C. position on its compression stroke

Answer

Approaching the T.D.C. position on its exhaust stroke

Question 2

The minimum parking brake force is generally ___________ of gross vehicle mass (GVM).

Accepted Answer

20%

Answer

5%

Answer

10%

Answer

15%

Question 3

The damper fluid leakage typically occur from

Accepted Answer

Clearance between inner and outer tubes of damper

Answer

Upper damper mounting

Answer

Bottom of damper

Answer

Coil spring mounting

Question 4

The battery is an electrochemical device, which means battery

Accepted Answer

Uses chemical action to provide electricity

Answer

Makes chemicals by mechanical means

Answer

Has curved plates instead of flat plates

Answer

Does not use an electrolyte

Question 5

The combustion process in a Diesel engine is a

Accepted Answer

Constant pressure process

Answer

Constant volume process

Answer

Constant temperature process

Answer

Adiabatic process

Question 6

In a ventilated disc brake

Accepted Answer

Disc contains radial vanes between its rubbing surfaces for optimum cooling performance

Answer

A duct directs air towards the caliper for cooling while the vehicle is moving

Answer

Caliper is covered with cooling fins

Answer

Disc contains many small holes for optimum cooling performance

Question 7

A traction control system (TCS) in automobiles controls the

Accepted Answer

Torque that is transmitted by the tyres to the road surface

Answer

Vibrations on the steering wheel

Answer

Engine power during acceleration

Answer

Stopping distance in case of emergency

Question 8

The number of exhaust manifolds in a V6 engine is

Accepted Answer

Two

Answer

One

Answer

Four

Answer

Eight

Question 9

The most commonly used power plant in automobiles is

Accepted Answer

I.C. engine

Answer

Gas turbine

Answer

Battery

Answer

None of these