Question

Air is compressed from 1 bar to 7 bar and its internal energy increases by 90 kJ/kg. A coolant extracts 100kW from this compressor. Calculate (1) the shaft work supplied to compressor (ii) ratio of inlet to outlet pipe diameter if : flow rate of air = 18.000 kg/hr air velocity at inlet = 7 m/s air velocity outlet = 5 m/s sp. Volume of air at inlet = 0.95 m3/kg sp. Volume of air outlet = 0.19 m®/kg​

Answer 1

Answer:

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Explanation:

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