Internal Combustion Engines
The rating of a diesel engine, with increase in air inlet temperature, will

Decrease linearly
Increase linearly
Decrease parabolically
Increase parabolically

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Internal Combustion Engines
Detonation is harmful due to

Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine
High intensity of knock causes crankshaft vibration and the engine runs rough
Excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls
None of these

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