Compressors, Gas Turbines and Jet Engines The effective power of gas turbines is increased by adding the following in compressor Nitrogen Hydrogen Ammonia and water vapour Carbon dioxide Nitrogen Hydrogen Ammonia and water vapour Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pressure ratio in gas turbines is the ratio of Inlet pressure to exhaust pressure Compressor pressure ratio Highest pressure to exhaust pressure Pressures across the turbine Inlet pressure to exhaust pressure Compressor pressure ratio Highest pressure to exhaust pressure Pressures across the turbine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum work is done in compressing air when the compression is Isothermal None of these Polytropic Adiabatic Isothermal None of these Polytropic Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum temperature in a gas turbine is of the order of 1000°C 700°C 1500°C 2000°C 1000°C 700°C 1500°C 2000°C ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Mechanical efficiency of gas turbines as compared to I.C engines is Same Lower Higher None of these Same Lower Higher None of these 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 Diffuser inlet radius Diffuser outlet radius Impeller inlet radius Impeller outlet radius Diffuser inlet radius Diffuser outlet radius Impeller inlet radius ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS