Compressors, Gas Turbines and Jet Engines The weight per horse power ratio for gas in Turbine as compared to I.C. engine and steam turbine is Lower Same None of these Higher Lower Same None of these Higher 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 Both (A) and (B) above Fully insulating the cylinder Multistage compression Cold water spray Both (A) and (B) above Fully insulating the cylinder Multistage compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The minimum work required for a three stage reciprocating air compressor is ___ the work required for each stage. Double Three times Equal to Six times Double Three times Equal to Six times 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 inlet radius Impeller outlet radius Impeller inlet radius Diffuser outlet radius Diffuser inlet radius Impeller outlet radius Impeller inlet radius Diffuser outlet radius ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Phenomenon of choking in compressor means Reducing mass flow rate with increase in pressure ratio Fixed mass flow rate regardless of pressure ratio Increased inclination of chord with air steam No flow of air Reducing mass flow rate with increase in pressure ratio Fixed mass flow rate regardless of pressure ratio Increased inclination of chord with air steam No flow of air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Water is injected in gas turbine cycle to Control output of turbine Increase efficiency Control temperature Control fire hazards Control output of turbine Increase efficiency Control temperature Control fire hazards ANSWER DOWNLOAD EXAMIANS APP