The thermal efficiency is nearest:

An engine operates on a diesel cycle with a compression ratio of 20 between temperature limits of 25°C and 1400°C and an inlet pressure of 100 kPa. The power output is 500 kW.



A) 69%

B) 66%

C) 60%

D) 57%


B) 66%

The cycle efficiency can now be found:

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