Compressors, Gas Turbines and Jet Engines The criterion of the thermodynamic efficiency for rotary compressor is Isentropic compression Polytropic compression Isothermal compression None of the listed here Isentropic compression Polytropic compression Isothermal compression None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A rocket works with maximum overall efficiency when air craft velocity is equal to the Twice the jet velocity Half the jet velocity Jet velocity Average of the jet velocity Twice the jet velocity Half the jet velocity Jet velocity Average of the jet velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The type of rotary compressor used in aeroplanes, is of Axial flow type Centrifugal type None of these Radial flow type Axial flow type Centrifugal type None of these Radial flow type ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum work is done in compressing air when the compression is Polytropic Adiabatic Isothermal None of these Polytropic Adiabatic Isothermal None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed gas turbine in which fuel is burnt directly in the air is not possible because of Increasing gas temperature High friction losses High specific volume Paucity of O2 Increasing gas temperature High friction losses High specific volume Paucity of O2 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Losses in a centrifugal compressor are due to Inlet losses All of the listed here Diffuser losses Impeller channel losses Inlet losses All of the listed here Diffuser losses Impeller channel losses ANSWER DOWNLOAD EXAMIANS APP
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