Automobile Engine MCQs

Question 1

Which is one of the types of liners?

Accepted Answer

Both

Answer

Wet liner

Answer

Dry liner

Question 2

Which of the following is the coefficient of friction of the clutch plate?

Accepted Answer

0.4

Answer

1.3

Answer

0.8

Answer

0.1

Question 3

The brake efficiency of a new vehicle is about

Accepted Answer

80%

Answer

30%

Answer

50%

Answer

100%

Question 4

If a noise is present in a differential only when the car moves past a curve, the chances are that the trouble is due to some fault in

Accepted Answer

Differential case assembly

Answer

Drive pinion assembly

Answer

Wheel bearing

Answer

Driver assembly

Question 5

Compression Ratio of Royal Enfield is-

Accepted Answer

6.5 : 1

Answer

1 : 5.5

Answer

2.5 : 1

Answer

6 : 2.3

Question 6

In four stroke engine the number of revolutions is

Accepted Answer

$$N = {{R\,P\,M} \over 2}$$

Answer

$$N = {{R\,P\,M} \over 4}$$

Answer

$$N = R\,P\,M$$

Answer

$$N = {{R\,P\,M} \over 6}$$

Question 7

The formula F/A = constant (A = Area, F = weight) is called-

Accepted Answer

Pascal's law

Answer

Snell's law

Answer

Hydraulic law

Answer

None of these

Question 8

The acid used in automobile battery is

Accepted Answer

Sulphuric acid

Answer

Hydrochloric acid

Answer

Hydrofluoric acid

Answer

Nitric acid

Question 9

The ratio of the volume of charge admitted at N. T. P. to the swept volume of the piston is called

Accepted Answer

Volumetric efficiency

Answer

Mechanical efficiency

Answer

Thermal efficiency

Answer

Relative efficiency