Compressors, Gas Turbines and Jet Engines The volumetric efficiency for reciprocating air compressors is about 40 to 60% 10 to 40% 60 to 70% 70 to 90% 40 to 60% 10 to 40% 60 to 70% 70 to 90% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in a gas turbine Increases the thermal efficiency Increases the turbine work Decreases the thermal efficiency Increases the compressor work Increases the thermal efficiency Increases the turbine work Decreases the thermal efficiency Increases the compressor work 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 inlet radius Diffuser outlet radius Impeller outlet radius Impeller inlet radius Diffuser inlet radius Diffuser outlet radius Impeller outlet radius ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Work ratio of a gas turbine plant is ratio of Net work output and work done by turbine Net work output and heat supplied Work done by turbine and net work output Work done by turbine and heat supplied Net work output and work done by turbine Net work output and heat supplied Work done by turbine and net work output Work done by turbine and heat supplied ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum delivery pressure in a rotary air compressor is 30 bar 50 bar 20 bar 10 bar 30 bar 50 bar 20 bar 10 bar ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines It is not possible to use closed gas turbine cycle in aeronautical engines because It is inefficient It is bulky It requires cooling water for its operation None of these It is inefficient It is bulky It requires cooling water for its operation None of these ANSWER DOWNLOAD EXAMIANS APP