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 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 Gas turbine blades are given a rake Opposite to the direction of motion of blades In the direction of motion of blades Depending on the velocity Equal to zero Opposite to the direction of motion of blades In the direction of motion of blades Depending on the velocity Equal to zero ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air power of the compressor is also known as Frictional power Brake power Indicated power None of these Frictional power Brake power Indicated power None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Water is injected in gas turbine cycle to Control temperature Increase efficiency Control fire hazards Control output of turbine Control temperature Increase efficiency Control fire hazards Control output of turbine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Mining industry usually employs following motive power Diesel engine C. electric motor Compressed air Petrol engine Diesel engine C. electric motor Compressed air Petrol engine ANSWER DOWNLOAD EXAMIANS APP
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