Compressors, Gas Turbines and Jet Engines Pressure ratio in gas turbines is the ratio of Pressures across the turbine 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 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed cycle gas turbine gives ________ efficiency as compared to an open cycle gas turbine. Same Higher None of these Lower Same Higher None of these Lower ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A gas turbine used in air craft should have High speed and high h.p. Small frontal area and high h.p. High h.p. and low weight Low weight and small frontal area High speed and high h.p. Small frontal area and high h.p. High h.p. and low weight Low weight and small frontal area ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum work is done in compressing air when the compression is None of these Isothermal Adiabatic Polytropic None of these Isothermal Adiabatic Polytropic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of outlet whirl velocity to blade velocity in case of centrifugal compressor is called Velocity factor Velocity coefficient None of these Slip factor Velocity factor Velocity coefficient None of these Slip factor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency and work ratio of a gas turbine plant can be increased by Reheating the air after partial expansion in the turbine Adding heat exchanger All of these Injecting water in/around combustion chamber Reheating the air after partial expansion in the turbine Adding heat exchanger All of these Injecting water in/around combustion chamber ANSWER DOWNLOAD EXAMIANS APP
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