Mechanical Engineering - Automobile Engineering

6. 

If the engine coolant leaks into the engine oil, then engine oil

A. appears milky
B. becomes foamy
C. turns black
D. none of these

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

7. 

The function of an alternator in an automobile is to

A. supply electric power
B. convert mechanical energy into electrical energy
C. continually recharge the battery
D. partly convert engine power into electric power

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

8. 

A clutch is usually designed to transmit maximum torque which is

A. equal to the maximum engine torque
B. 80 per cent of the maximum engine torque
C. 150 per cent of the maximum engine torque
D. none of these

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

9. 

What type of bearing is used for main bearings and connecting rod bearings ?

A. Ballbearings
B. Plain bearings
C. Needle roller bearing
D. Taper roller bearing

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

10. 

It is necessary to maintain the valve clearances as they

A. reduce the resistance to sliding that occurs between the cam and the tappet
B. allow for lengthening of the valves owing to the heat of combustion
C. increase the speed at which the valves move up and down
D. make the crankshaft turn smoothly

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.