Compressors, Gas Turbines and Jet Engines Only rocket engines can be propelled to space because They have high propulsion efficiency They are not air breathing engines They can generate very high thrust These engines can work on several fuels They have high propulsion efficiency They are not air breathing engines They can generate very high thrust These engines can work on several fuels ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines With the decrease in compression ratio, the volumetric efficiency Increases Decreases First decrease and then increase Does not change Increases Decreases First decrease and then increase Does not change ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In open cycle turbojet engines used in military aircraft, reheating the exhaust gas from the turbine by burning, more fuel is used to increase the Both (A) and (B) Efficiency of the engine None of these Thrust and range of aircraft Both (A) and (B) Efficiency of the engine None of these Thrust and range of aircraft ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In an axial flow compressor, the ratio of pressure in the rotor blades to the pressure rise in the compressor in one stage is known as Degree of reaction Work factor Pressure coefficient Slip factor Degree of reaction Work factor Pressure coefficient Slip factor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The temperature of air at the beginning of the compression stroke is ________ the atmospheric temperature. Equal to Less than None of these More than Equal to Less than None of these More than ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In air breathing jet engine, the jet is formed by expanding Liquid Plasma Solids Highly heated atmospheric air Liquid Plasma Solids Highly heated atmospheric air ANSWER DOWNLOAD EXAMIANS APP
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