Compressors, Gas Turbines and Jet Engines During peak load periods, the best method of controlling compressors is Variable speed Start-stop motor Relief valve Constant speed unloader Variable speed Start-stop motor Relief valve Constant speed unloader ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency, even when running at high speed, can be approached by using Cold water spray Fully insulating the cylinder Both (A) and (B) above Multistage compression Cold water spray Fully insulating the cylinder Both (A) and (B) above Multistage compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter-cooling in gas turbine results in Increase in thermal efficiency but decrease in net output Decrease in both thermal efficiency and net output Increase in net output but decrease in thermal efficiency Increase in both thermal efficiency and net output Increase in thermal efficiency but decrease in net output Decrease in both thermal efficiency and net output Increase in net output but decrease in thermal efficiency Increase in both thermal efficiency and net output ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about multistage compression? Volumetric efficiency is high It is best suited for compression ratios around 7:1 Power consumption per unit of air delivered is low The moisture in air is condensed in the inter-cooler Volumetric efficiency is high It is best suited for compression ratios around 7:1 Power consumption per unit of air delivered is low The moisture in air is condensed in the inter-cooler 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 Impeller inlet radius Impeller outlet radius Diffuser inlet radius Diffuser outlet radius Impeller inlet radius Impeller outlet radius Diffuser inlet radius ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In which case the air-fuel ratio is likely to be maximum? 4-stroke petrol engine Gas turbine Multi cylinder engine 4-stroke diesel engine 4-stroke petrol engine Gas turbine Multi cylinder engine 4-stroke diesel engine ANSWER DOWNLOAD EXAMIANS APP
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