Compressors, Gas Turbines and Jet Engines
The specific output per kg mass flow rate of a gas turbine (having fixed efficiencies of compressor and turbine and fixed higher and lower temperature) with increase in pressure ratio will

Decrease continuously
Increase first at slow rate and then fast
First increase, reach maximum and then decrease
Increase first at fast rate and then slow

ANSWER DOWNLOAD EXAMIANS APP

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
Isothermal h.p. to adiabatic h.p.
Power to drive compressor to isothermal h.p.
Isothermal h.p. to the BHP of motor

ANSWER DOWNLOAD EXAMIANS APP