7-237 Helium gas is compressed steadily from 90 kPa and 25°C to 600 kPa at a rate of 2 kg/min by an adiabatic compressor. If the compressor consumes 70 kW of power while operating, the isentropic efficiency of this compressor is a) 56.7% b) 83.7% c) 75.4% d) 92.1% e) 100.0% | |
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