Mechanical Engineering Questions and Answers
Challenge your knowledge of machinery, prepare for your exams or aptitude tests with these Mechanical Engineering questions and answers.
Challenge your knowledge of machinery, prepare for your exams or aptitude tests with these Mechanical Engineering questions and answers.
It is necessary to maintain the valve clearances as they
reduce the resistance to sliding that occurs between the cam and the tappet
allow for lengthening of the valves owing to the heat of combustion
increase the speed at which the valves move up and down
make the crankshaft turn smoothly
Correct answer is B
No explanation has been provided for this answer.
What type of bearing is used for main bearings and connecting rod bearings ?
Ballbearings
Plain bearings
Needle roller bearing
Taper roller bearing
Correct answer is B
No explanation has been provided for this answer.
A clutch is usually designed to transmit maximum torque which is
equal to the maximum engine torque
80 per cent of the maximum engine torque
150 per cent of the maximum engine torque
none of these
Correct answer is C
No explanation has been provided for this answer.
The function of an alternator in an automobile is to
supply electric power
convert mechanical energy into electrical energy
continually recharge the battery
partly convert engine power into electric power
Correct answer is C
No explanation has been provided for this answer.
If the engine coolant leaks into the engine oil, then engine oil
appears milky
becomes foamy
turns black
none of these
Correct answer is A
No explanation has been provided for this answer.
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