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

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

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Compressors, Gas Turbines and Jet Engines
Pick up the false statement

Overall efficiency of gas turbine plant is lower than that of a reciprocating engine
Exhaust losses in gas turbine are high due to large mass flow rate
Gas turbine does not require huge quantity of water like steam plant
Gas turbine is a self starting unit

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