Compressors, Gas Turbines and Jet Engines The criterion of the thermodynamic efficiency for rotary compressor is Isothermal compression None of the listed here Isentropic compression Polytropic compression Isothermal compression None of the listed here Isentropic compression Polytropic compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The degree of reaction in an axial flow compressor is defined as the ratio of static enthalpy rise in the Rotor to static enthalpy rise in the stator Stator to static enthalpy rise in the stage Rotor to static enthalpy rise in the stage Stator to static enthalpy rise in the rotor Rotor to static enthalpy rise in the stator Stator to static enthalpy rise in the stage Rotor to static enthalpy rise in the stage Stator to static enthalpy rise in the rotor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The type of rotary compressor used in aeroplanes, is of None of these Centrifugal type Radial flow type Axial flow type None of these Centrifugal type Radial flow type Axial flow type ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio Decreases First increases and then decreases Increases First decreases and then increases Decreases First increases and then decreases Increases First decreases and then increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The mass of gas turbine per kW developed is about ________ as that of an I.C. engine. Same One-half One fourth One sixth Same One-half One fourth One sixth ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet engines, for the efficient production of large power, fuel is burnt in an atmosphere of Vacuum Compressed air Oxygen alone Atmospheric air Vacuum Compressed air Oxygen alone Atmospheric air ANSWER DOWNLOAD EXAMIANS APP
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