Compressors, Gas Turbines and Jet Engines Isothermal compression though most efficient, but is not practicable because It is impossible in practice It does not increase pressure much It requires very big cylinder Compressor has to run at very slow speed to achieve it It is impossible in practice It does not increase pressure much It requires very big cylinder Compressor has to run at very slow speed to achieve it ANSWER DOWNLOAD EXAMIANS APP
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 First increase, reach maximum and then decrease Increase first at fast rate and then slow 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 Decrease continuously Increase first at slow rate and then fast ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A jet engine has Propeller at back No propeller Propeller on the top Propeller in front Propeller at back No propeller Propeller on the top Propeller in front ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single acting reciprocating air compressor, without clearance, the compression of air may be Isothermal Isentropic Any one of these Polytropic Isothermal Isentropic Any one of these Polytropic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Water is injected in gas turbine cycle to Control temperature Control output of turbine Control fire hazards Increase efficiency Control temperature Control output of turbine Control fire hazards Increase efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines More than one stage will be preferred for reciprocating compressor if the delivery pressure is more than 10 kg/cm² 6 kg/cm² 14.7 kg/cm² 2 kg/cm² 10 kg/cm² 6 kg/cm² 14.7 kg/cm² 2 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
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