Compressors, Gas Turbines and Jet Engines Cylinder clearance in a compressor should be About 50% of swept volume As small as possible As large as possible About 100% of swept volume About 50% of swept volume As small as possible As large as possible About 100% of swept volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in multistage expansion gas turbine results in Decrease of heat loss in exhaust Maximum work output Reduction in compressor work High thermal efficiency Decrease of heat loss in exhaust Maximum work output Reduction in compressor work High thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Axial flow compressor has the following advantage over centrifugal compressor Higher pressure ratio per stage Aerofoil blades are used Larger air handling ability per unit frontal area Higher average velocities Higher pressure ratio per stage Aerofoil blades are used Larger air handling ability per unit frontal area Higher average velocities ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a jet propulsion The propulsive matter is caused to flow around the propelled body None of these The propulsive matter is ejected from within the propelled body Its functioning does not depend upon presence of air The propulsive matter is caused to flow around the propelled body None of these The propulsive matter is ejected from within the propelled body Its functioning does not depend upon presence of air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor falls roughly as follows for every 100 m increase in elevation 0.5% 0.1% 5% 1.0% 0.5% 0.1% 5% 1.0% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor without clearance volume, the work-done is maximum during Isentropic compression Polytropic compression None of these Isothermal compression Isentropic compression Polytropic compression None of these Isothermal compression ANSWER DOWNLOAD EXAMIANS APP
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