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

Correct Answer: Allow for lengthening of the valves owing to the heat of combustion

It is necessary to maintain the valve clearances as they Allow for lengthening of the valves owing to the heat of combustion
Bissoy MCQ
#Mechanical Engineering #Automobile Engineering

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