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 Diffuser inlet radius Impeller inlet radius Impeller outlet radius Diffuser outlet radius Diffuser inlet radius Impeller inlet radius Impeller outlet radius ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compression ratio for the compressor is always _________ unity. None of these Equal to More than Less than None of these Equal to More than Less than ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is Low Low/high depending on make and type High Same Low Low/high depending on make and type High Same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor capacity is defined as the None of these Volume of air delivered by the compressor Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions Volume of air sucked by the compressor during its suction stroke None of these Volume of air delivered by the compressor Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions Volume of air sucked by the compressor during its suction stroke ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall isothermal efficiency of compressor is defined as the ratio of Work to compress air isothermally to work for actual compression Isothermal h.p. to the BHP of motor Power to drive compressor to isothermal h.p. Isothermal h.p. to adiabatic h.p. Work to compress air isothermally to work for actual compression Isothermal h.p. to the BHP of motor Power to drive compressor to isothermal h.p. Isothermal h.p. to adiabatic h.p. ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Propulsive efficiency is defined as ratio of Thrust power and propulsive power Engine output and propulsive power Propulsive power and fuel input Thrust power and fuel energy Thrust power and propulsive power Engine output and propulsive power Propulsive power and fuel input Thrust power and fuel energy ANSWER DOWNLOAD EXAMIANS APP