Compressors, Gas Turbines and Jet Engines An after-cooler is used to Cause moisture and oil vapour to drop out Remove impurities from air Reduce volume of air Cool the air Cause moisture and oil vapour to drop out Remove impurities from air Reduce volume of air Cool the air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The stagnation pressure rise in a centrifugal compressor takes place In the diffuser only In the inlet guide vanes only In the impeller only In the diffuser and impeller In the diffuser only In the inlet guide vanes only In the impeller only In the diffuser and impeller ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A simple turbojet engine is basically Chemical rocket engine Gas turbine engine equipped with a propulsive nozzle and diffuse A propeller system Ramjet engine Chemical rocket engine Gas turbine engine equipped with a propulsive nozzle and diffuse A propeller system Ramjet engine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of outlet whirl velocity to blade velocity in case of centrifugal compressor is called None of these Slip factor Velocity coefficient Velocity factor None of these Slip factor Velocity coefficient Velocity factor 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 Isothermal efficiency Volumetric efficiency Mechanical efficiency Compressor efficiency Isothermal efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Cylinder clearance in a compressor should be About 100% of swept volume As large as possible About 50% of swept volume As small as possible About 100% of swept volume As large as possible About 50% of swept volume As small as possible ANSWER DOWNLOAD EXAMIANS APP
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