Compressors, Gas Turbines and Jet Engines The work-done on a compressor will be minimum if air is taken from A source of high temperature air A source of low temperature air A source at 0° C The atmosphere A source of high temperature air A source of low temperature air A source at 0° C The atmosphere ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, the flow of air is ________ to the axis of compressor. Parallel None of these Inclined Perpendicular Parallel None of these Inclined Perpendicular ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Propulsion efficiency of the following order is obtained in practice 0.5 0.34 0.72 0.6 0.5 0.34 0.72 0.6 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 During peak load periods, the best method of controlling compressors is Relief valve Start-stop motor Variable speed Constant speed unloader Relief valve Start-stop motor Variable speed Constant speed unloader 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 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 Twice the jet velocity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS