Compressors, Gas Turbines and Jet Engines
Which is false statement about multistage compression?

It is best suited for compression ratios around 7:1
The moisture in air is condensed in the inter-cooler
Volumetric efficiency is high
Power consumption per unit of air delivered is low

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Compressors, Gas Turbines and Jet Engines
The overall isothermal efficiency of compressor is defined as the ratio of

Work to compress air isothermally to work for actual compression
Power to drive compressor to isothermal h.p.
Isothermal h.p. to adiabatic h.p.
Isothermal h.p. to the BHP of motor

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