Compressors, Gas Turbines and Jet Engines In an axial flow compressor, the ratio of pressure in the rotor blades to the pressure rise in the compressor in one stage is known as Pressure coefficient Slip factor Degree of reaction Work factor Pressure coefficient Slip factor Degree of reaction Work factor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For an irreversible gas turbine cycle, the efficiency and work ratio both depend on Pressure ratio alone Minimum cycle temperature alone Both pressure ratio and maximum cycle temperature Maximum cycle temperature alone Pressure ratio alone Minimum cycle temperature alone Both pressure ratio and maximum cycle temperature Maximum cycle temperature alone ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor efficiency is the Isothermal H.P./shaft H.R Total output/air input Isothermal H.P/indicated H.R Compression work/motor input Isothermal H.P./shaft H.R Total output/air input Isothermal H.P/indicated H.R Compression work/motor input ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in a multistage expansion gas turbine ________ compressor work. Increases None of these Has no effect on Decreases Increases None of these Has no effect on Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about advantages of multistage compressor in comparison to single stage compressor? Lower volumetric efficiency Less power requirement Less loss of air due to leakage past the cylinder Better mechanical balance Lower volumetric efficiency Less power requirement Less loss of air due to leakage past the cylinder Better mechanical balance 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 High friction losses Increasing gas temperature High specific volume Paucity of O2 High friction losses Increasing gas temperature High specific volume Paucity of O2 ANSWER DOWNLOAD EXAMIANS APP
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