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An ideal diesel engine has a compression ratio of 20 and uses air as the working...

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Mechanical Engineering

An ideal diesel engine has a compression ratio of 20and uses air as the working fluid. The state of air at
the beginning of the compression process is 95 kPa and 200C. If themaximum temperature in the cycle
is not to exceed 2200 K,
Determine:
a) The thermal efficiency, and
b) The mean effective pressure, and
Assume constant specific heats for air at room temperature.

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