Compressors, Gas Turbines and Jet Engines In gas turbines, high thermal efficiency is obtained in Closed cycle Closed cycle & Open cycle Closed/open depending on other considerations Open cycle Closed cycle Closed cycle & Open cycle Closed/open depending on other considerations Open cycle 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 outlet radius Diffuser outlet radius Diffuser inlet radius Impeller inlet radius Impeller outlet radius Diffuser outlet radius Diffuser inlet radius Impeller inlet radius ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor without clearance volume Increases with increase in compression ratio Is not dependent upon compression ratio May increase/decrease depending on compressor capacity Decreases with increase in compression ratio Increases with increase in compression ratio Is not dependent upon compression ratio May increase/decrease depending on compressor capacity Decreases with increase in compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum delivery pressure in a rotary air compressor is 20 bar 10 bar 50 bar 30 bar 20 bar 10 bar 50 bar 30 bar ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Air-fuel ratio in a jet engine will be of the order of 0.41736111111111 2.5006944444444 0.83402777777778 0.62569444444444 0.41736111111111 2.5006944444444 0.83402777777778 0.62569444444444 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines When the outlet angle from the rotor of a centrifugal compressor is more than 90°, then the blades are said to be Backward curved Forward curved Radial None of the listed here Backward curved Forward curved Radial None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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