Automobile Engineering MCQs

Question 1

In a forced feed lubrication system, the device used to guard against excessive oil pressure, is known as

Accepted Answer

Relief valve

Answer

Release chamber

Answer

Balancer

Answer

Stop valve

Question 2

The fuel pump in the programmed fuel injection (PFI) system is located

Accepted Answer

In the fuel tank

Answer

Between the fuel filler pipe and fuel tank

Answer

On the distributor mounting in the engine compartment

Answer

On the engine compartment bulkhead

Question 3

The function of positive crankcase ventilation (PCV) system is that it

Accepted Answer

Returns blow by gases from the crankcase to the intake system

Answer

Mixes fuel with air

Answer

Promotes combustion by creating a swirling movement in the air-fuel mixture

Answer

Feeds blow by gases to the exhaust manifold

Question 4

The basic purpose of a four wheel drive (4WD) system is that it

Accepted Answer

Ensures effective transmission of engine torque to all four wheels, even on slippery road surfaces

Answer

Delivers improved cornering on dry road surfaces

Answer

Eliminates the need of snow tyres, tyre chains, etc.

Answer

Ensures that effective braking can be performed, even on slippery surfaces

Question 5

The air resistance to a car at 20 kmph is R. The air resistance at 40 kmph will be

Accepted Answer

4R

Answer

R

Answer

2R

Answer

4R2

Question 6

Which part of the automobile tyre is subjected to greatest flexing action?

Accepted Answer

Side wall

Answer

Bead

Answer

Shoulder

Answer

Tread

Question 7

When a gear box has four forward speeds and one reverse speed, it is said to be a

Accepted Answer

4-speed gear box

Answer

3-speed gear box

Answer

5-speed gear box

Answer

6-speed gear box

Question 8

Which of the following is not a part of the chassis?

Accepted Answer

Seats

Answer

Wheels

Answer

Front axle

Answer

Steering system

Question 9

A three way catalytic converter

Accepted Answer

Removes CO, HC and NO2 from the exhaust gases passing through it

Answer

Re-circulates exhaust gases

Answer

Burns fuel vapour gases

Answer

Reduces N2, H2O and CO2 emission levels