Compressors, Gas Turbines and Jet Engines Ramjet engine Requires no air for its operation Is not self operating at zero flight speed Produces a jet consisting of plasma Is self operating at zero flight speed Requires no air for its operation Is not self operating at zero flight speed Produces a jet consisting of plasma Is self operating at zero flight speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Stalling of blades in axial flow compressor is the phenomenon of Motion of air at sonic velocity Air stream blocking the passage Unsteady periodic and reversed flow Air stream not able to follow the blade contour Motion of air at sonic velocity Air stream blocking the passage Unsteady periodic and reversed flow Air stream not able to follow the blade contour ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A rocket engine uses __________ for the combustion of its fuel. Surrounding air None of these Compressed atmospheric air Its own oxygen Surrounding air None of these Compressed atmospheric air Its own oxygen ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency for reciprocating air compressors is about 40 to 60% 10 to 40% 70 to 90% 60 to 70% 40 to 60% 10 to 40% 70 to 90% 60 to 70% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A centrifugal compressor works on the principle of Conversion of kinetic energy into pressure energy Centripetal action Generating pressure directly Conversion of pressure energy into kinetic energy Conversion of kinetic energy into pressure energy Centripetal action Generating pressure directly Conversion of pressure energy into kinetic energy 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 Maximum cycle temperature alone 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 ANSWER DOWNLOAD EXAMIANS APP
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