Compressors, Gas Turbines and Jet Engines The main purpose of reheating in gas turbine is to Increase speed Reduce turbine size Increase temperature Increase power output Increase speed Reduce turbine size Increase temperature Increase power output ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Adiabatic compression is one in which Work done is maximum No heat leaves or enters the compressor cylinder during compression Temperature rise follows a linear relationship Temperature during compression remains constant Work done is maximum No heat leaves or enters the compressor cylinder during compression Temperature rise follows a linear relationship Temperature during compression remains constant 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 Impeller inlet radius Diffuser outlet radius Diffuser inlet radius Impeller outlet radius Impeller inlet radius Diffuser outlet radius Diffuser inlet radius Impeller outlet radius ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor with clearance volume Decreases with increase in compression ratio May increase/decrease depending on compressor capacity Increases with increase in compression ratio In not dependent upon compression ratio Decreases with increase in compression ratio May increase/decrease depending on compressor capacity Increases with increase in compression ratio In not dependent upon compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet propulsion power unit, the inlet duct of diverging shape is used in order to Convert kinetic energy of air into pressure energy Provide robust structure Collect more air Beautify the shape Convert kinetic energy of air into pressure energy Provide robust structure Collect more air Beautify the shape ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure and temperature conditions of air at the suction of compressor are Slightly more than atmospheric Pressure slightly less than atmospheric and temperature slightly more than atmospheric Slightly less than atmospheric Atmospheric Slightly more than atmospheric Pressure slightly less than atmospheric and temperature slightly more than atmospheric Slightly less than atmospheric Atmospheric ANSWER DOWNLOAD EXAMIANS APP
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