Compressors, Gas Turbines and Jet Engines A rocket works with maximum overall efficiency when air craft velocity is equal to the Twice the jet velocity Average of the jet velocity Half the jet velocity Jet velocity Twice the jet velocity Average of the jet velocity Half the jet velocity Jet velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio Remain same Decreases First increases and then decreases Increases Remain same Decreases First increases and then decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The inlet pressure is always ___ the discharge pressure. Equal to None of the listed here More than Less than Equal to None of the listed here More than Less than ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The work ratio of simple gas turbine cycle depends on Minimum cycle temperature Maximum cycle temperature Pressure ratio All of these Minimum cycle temperature Maximum cycle temperature Pressure ratio All of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a closed cycle gas turbine, the air is compressed Polytropically Isothermally None of these Isentropically Polytropically Isothermally None of these Isentropically ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, an increase in speed at a given pressure ratio causes Increase in flow Increase in efficiency Increase in flow and decrease in efficiency Decrease in flow Increase in flow Increase in efficiency Increase in flow and decrease in efficiency Decrease in flow ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS