Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor without clearance volume Increases with increase in compression ratio Decreases with increase in compression ratio May increase/decrease depending on compressor capacity Is not dependent upon compression ratio Increases with increase in compression ratio Decreases with increase in compression ratio May increase/decrease depending on compressor capacity Is not dependent upon compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in multistage expansion gas turbine results in Decrease of heat loss in exhaust High thermal efficiency Maximum work output Reduction in compressor work Decrease of heat loss in exhaust High thermal efficiency Maximum work output Reduction in compressor work ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Propulsive efficiency is defined as ratio of Propulsive power and fuel input Thrust power and fuel energy Engine output and propulsive power Thrust power and propulsive power Propulsive power and fuel input Thrust power and fuel energy Engine output and propulsive power Thrust power and propulsive power ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Water is injected in gas turbine cycle to Increase efficiency Control output of turbine Control fire hazards Control temperature Increase efficiency Control output of turbine Control fire hazards Control temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Stalling of blades in axial flow compressor is the phenomenon of Unsteady periodic and reversed flow Air stream not able to follow the blade contour Air stream blocking the passage Motion of air at sonic velocity Unsteady periodic and reversed flow Air stream not able to follow the blade contour Air stream blocking the passage Motion of air at sonic velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor falls roughly as follows for every 5°C increase in atmospheric temperature 0.05 0.01 0.005 0.001 0.05 0.01 0.005 0.001 ANSWER DOWNLOAD EXAMIANS APP
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