Q. Air standard cycle in which a petrol engine is working:

A
Carnot cycle
B
Rankine cycle
C
Stirling cycle
D
Otto cycle
Solution:

Otto cycle is a gas power cycle that is used in SI engines ( petrol engines).
An Otto cycle consists of four processes:
Two isentropic (reversible adiabatic) processes,
Two isochoric (constant volume) processes.

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