Compressors, Gas Turbines and Jet Engines Intercooling in gas turbines Decreases net output but increases thermal efficiency Decreases net output and thermal efficiency both Increases net output and thermal efficiency both Increases net output but decreases thermal efficiency Decreases net output but increases thermal efficiency Decreases net output and thermal efficiency both Increases net output and thermal efficiency both Increases net output but decreases thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed cycle gas turbine gives ________ efficiency as compared to an open cycle gas turbine. Higher None of these Same Lower Higher None of these Same Lower ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The axial flow compressor is preferred in aircraft gas turbines because of Higher thrust None of the listed here High pressure rise Low frontal area Higher thrust None of the listed here High pressure rise Low frontal area ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For an irreversible gas turbine cycle, the efficiency and work ratio both depend on Maximum cycle temperature alone Minimum cycle temperature alone Pressure ratio alone Both pressure ratio and maximum cycle temperature Maximum cycle temperature alone Minimum cycle temperature alone Pressure ratio alone Both pressure ratio and maximum cycle temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines It is not possible to use closed gas turbine cycle in aeronautical engines because None of these It is inefficient It requires cooling water for its operation It is bulky None of these It is inefficient It requires cooling water for its operation It is bulky 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 outlet radius Impeller inlet radius Impeller outlet radius Diffuser inlet radius Diffuser outlet radius Impeller inlet radius Impeller outlet radius Diffuser inlet radius ANSWER DOWNLOAD EXAMIANS APP