Automobile Engine MCQs

Question 1

If the pressure above the fuel in the float chamber is atmospheric pressure, the carburettor is said to be-

Accepted Answer

Unbalanced

Answer

Balanced

Answer

Both

Question 2

The reason for placing the piston pin slightly offset from the centerline of the piston is that

Accepted Answer

It reduces piston slap

Answer

If the piston pin is centered, the piston may be locked when it reaches the TDC or BDC

Answer

The piston pin will be centered at normal operating temperature due to the thermal expansion of the piston

Answer

A space for counterweights on the crankshaft must be made to prevent interference

Question 3

The frequency of flashing of light per minute in a direction (side turn) indicator is about

Accepted Answer

90

Answer

9

Answer

900

Answer

9000

Question 4

The blades in a torque converter have a shape which is

Accepted Answer

Curved

Answer

Square

Answer

Round

Answer

Flat

Question 5

In a four-stroke petrol engine, during suction stroke

Accepted Answer

Mixture of petrol and air is sucked in

Answer

Only air is sucked in

Answer

Only petrol is sucked in

Answer

None of these

Question 6

The overdrive is located between the

Accepted Answer

Planetary gears and clutch

Answer

Transmission and the propeller shaft

Answer

Transmission and clutch

Answer

Gear and universal Joint

Question 7

Intake port in the master cylinder allows brakes fluid to flow

Accepted Answer

Around the recessed section of piston

Answer

Into the reservoir

Answer

Through the fluid check valve

Answer

All of the above

Question 8

Battery electrolyte consists of approximetely (by volume)

Accepted Answer

35% sulphuric acid and 65% water

Answer

65% sulphuric acid and 35% water

Answer

65% nitric acid 35% water

Answer

35% nitric acid 65% water

Question 9

The function of the governor is to

Accepted Answer

Run the engine at some average constant speed

Answer

Supply energy during non-working strokes

Answer

Supply energy when the piston is at dead centre

Answer

Control vibrations due to the reciprocating parts