The cut-off ratio 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) 1.69

B) 1.77

C) 1.84

D) 2.01


A) 1.69

The cut-off ratio can be found if the temperature of state 2 is known:

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