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 inlet radius Impeller inlet radius Diffuser outlet radius Impeller outlet radius Diffuser inlet radius Impeller inlet radius Diffuser outlet radius Impeller outlet radius ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For minimum work required to compress and deliver a quantity of air by multistage compression The compression ratio in each stage should be same The intercooling should be perfect The work-done in each stage should be same All of the listed here The compression ratio in each stage should be same The intercooling should be perfect The work-done in each stage should be same All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The stagnation pressure rise in a centrifugal compressor takes place In the inlet guide vanes only In the diffuser only In the diffuser and impeller In the impeller only In the inlet guide vanes only In the diffuser only In the diffuser and impeller In the impeller only ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum propulsion efficiency of a turbojet is attained at around following speed 2400 km/hr 550 km/hr 1700 km/hr 1050 km/hr 2400 km/hr 550 km/hr 1700 km/hr 1050 km/hr ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An after-cooler is used to Remove impurities from air Reduce volume of air Cause moisture and oil vapour to drop out Cool the air Remove impurities from air Reduce volume of air Cause moisture and oil vapour to drop out Cool the air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter-cooling in multistage compressors is done To enable compression in two stages To minimize the work of compression To cool the air at delivery To cool the air during compression To enable compression in two stages To minimize the work of compression To cool the air at delivery To cool the air during compression ANSWER DOWNLOAD EXAMIANS APP
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