Automobile Engineering in ME
For the same maximum pressure and temperature

Otto cycle is more efficient than Diesel cycle
None of the listed here
Diesel cycle is more efficient than Otto cycle
Both Otto cycle and Diesel cycle are equally efficient

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Automobile Engineering in ME
A basic difference between the spark ignition engine and the Diesel engine is that the

Fuel is sprayed into the combustion chamber in the Diesel engine as the piston nears T.D.C. on the compression stroke
Diesel engine compresses air alone instead of an air-fuel mixture
Air temperature ignites the fuel in the Diesel engine
All of these

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