The minimum work input required by the air compressor in a Brayton cycle with P1 = 100 kPa, T1 = 27°C, and P2 = 600 kPa is nearest:

A) 180 kJ/kg
B) 200 kJ/kg
C) 220 kJ/kg
D) 240 kJ/kg


A) 180 kJ/kg

The minimum work occurs with an isentropic process for which

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