Compressors, Gas Turbines and Jet Engines Volumetric efficiency of air compressors is of the order of 70 - 90% 60 - 70% 20 - 30% 40 - 50% 70 - 90% 60 - 70% 20 - 30% 40 - 50% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The main purpose of reheating in gas turbine is to Increase power output Increase temperature Increase speed Reduce turbine size Increase power output Increase temperature Increase speed Reduce turbine size ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Clearance volume in actual reciprocating compressors is essential To provide cushioning effect and also to avoid mechanical bang of piston with cylinder head To accommodate Valves in the cylinder head To attain high volumetric efficiency To provide cushioning effect To provide cushioning effect and also to avoid mechanical bang of piston with cylinder head To accommodate Valves in the cylinder head To attain high volumetric efficiency To provide cushioning effect ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Standard air is the air at ___ and relative humidity of 36 percent. 1 bar and 20°C 1 bar and 40°C 0.1 bar and 40°C 0.1 bar and 20°C 1 bar and 20°C 1 bar and 40°C 0.1 bar and 40°C 0.1 bar and 20°C 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 Diffuser outlet radius Diffuser inlet radius Impeller outlet radius Impeller inlet radius Diffuser outlet radius Diffuser inlet radius Impeller outlet radius Impeller inlet radius ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in multistage expansion gas turbine results in High thermal efficiency 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 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS