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

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

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Internal Combustion Engines
Pick up the wrong statement about supercharging

Supercharging reduces knocking in diesel engines
Supercharging results in fuel economy
There can be limited supercharging in petrol engines because of detonation
Supercharging at high altitudes is essential

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