Detonation is harmful due to

Question

Options:

A . increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine

B . excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls

C . high intensity of knock causes crankshaft vibration and the engine runs rough

D . none of the above

Answer: Option D
Answer: (d).none of the above

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