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 Impeller inlet radius Diffuser outlet radius Diffuser inlet radius Impeller outlet radius Impeller inlet radius Diffuser outlet radius Diffuser inlet radius ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter-cooling in gas turbine results in Increase in net output but decrease in thermal efficiency Increase in thermal efficiency but decrease in net output Decrease in both thermal efficiency and net output Increase in both thermal efficiency and net output Increase in net output but decrease in thermal efficiency Increase in thermal efficiency but decrease in net output Decrease in both thermal efficiency and net output Increase in both thermal efficiency and net output ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An ideal air compressor cycle with clearance on P-V diagram can be represented by following processes Two adiabatic, one isobaric and one constant volume Two adiabatic and two isobaric One adiabatic, one isobaric and two constant volumes One adiabatic, two isobaric, and one constant volume Two adiabatic, one isobaric and one constant volume Two adiabatic and two isobaric One adiabatic, one isobaric and two constant volumes One adiabatic, two isobaric, and one constant volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression though most efficient, but is not practicable because It requires very big cylinder It is impossible in practice It does not increase pressure much Compressor has to run at very slow speed to achieve it It requires very big cylinder It is impossible in practice It does not increase pressure much Compressor has to run at very slow speed to achieve it ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor, without clearance, the work-done on the air during isentropic compression is ________ the heat required to raise the temperature of air from Tâ to Tâ at a constant pressure. Less than Equal to Greater than None of these Less than Equal to Greater than None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Separators are generally used in air compressor installations After the inter-cooler Before the inter-cooler Between the after-cooler and receiver Before first stage suction After the inter-cooler Before the inter-cooler Between the after-cooler and receiver Before first stage suction ANSWER DOWNLOAD EXAMIANS APP
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