Mechanical Engineering > GATE 2014 Set-4 > Thermodynamics
In a compression ignition engine, the inlet air pressure is 1 bar and the pressure at the end of isentropic compression is 32.42 bar. The expansion ratio is 8. Assuming ratio of specific heats (γ) as 1.4, the air standard efficiency (in percent) is ________.

Correct : 59.8

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compression ignition engine GATE mechanical engineering 2014 air standard efficiency isentropic compression expansion ratio Carnot cycle efficiency mechanical engineering gate specific heat ratio γ

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