Compressors, Gas Turbines and Jet Engines Air-fuel ratio in a jet engine will be of the order of 0.83402777777778 0.41736111111111 2.5006944444444 0.62569444444444 0.83402777777778 0.41736111111111 2.5006944444444 0.62569444444444 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, the highest Mach number leading to shock wave in the fluid flow occurs at Diffuser inlet radius Impeller outlet radius Diffuser outlet radius Impeller inlet radius Diffuser inlet radius Impeller outlet radius Diffuser outlet radius Impeller inlet radius ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the indicated power to the shaft power or brake power of the motor or engine required to drive the compressor, is called Mechanical efficiency Compressor efficiency Volumetric efficiency Isothermal efficiency Mechanical efficiency Compressor efficiency Volumetric efficiency Isothermal efficiency 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 stage Stator to static enthalpy rise in the stage Stator to static enthalpy rise in the rotor Rotor to static enthalpy rise in the stator Rotor to static enthalpy rise in the stage Stator to static enthalpy rise in the stage Stator to static enthalpy rise in the rotor Rotor to static enthalpy rise in the stator ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For an irreversible gas turbine cycle, the efficiency and work ratio both depend on Both pressure ratio and maximum cycle temperature Pressure ratio alone Minimum cycle temperature alone Maximum cycle temperature alone Both pressure ratio and maximum cycle temperature Pressure ratio alone Minimum cycle temperature alone Maximum cycle temperature alone ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression though most efficient, but is not practicable because 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 It is impossible in practice It does not increase pressure much ANSWER DOWNLOAD EXAMIANS APP
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