Internal Combustion Engines
As a result of detonation in an I.C. engine, following parameter attains very high value

Rate of rise of temperature
Peak temperature
Rate of rise of pressure
Peak pressure

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Internal Combustion Engines
In a four stroke cycle diesel engine, the compression

Starts at top dead center and ends at 40° before bottom dead center
Starts at 40° after bottom dead center and ends at 10° before top dead center
Starts at 40° before top dead center and ends at 40° after top dead center
May start and end anywhere

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