Compressors, Gas Turbines and Jet Engines Only rocket engines can be propelled to space because They are not air breathing engines They can generate very high thrust They have high propulsion efficiency These engines can work on several fuels They are not air breathing engines They can generate very high thrust They have high propulsion efficiency These engines can work on several fuels ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Propulsive efficiency is defined as ratio of Engine output and propulsive power Propulsive power and fuel input Thrust power and fuel energy Thrust power and propulsive power Engine output and propulsive power Propulsive power and fuel input Thrust power and fuel energy Thrust power and propulsive power ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed gas turbine in which fuel is burnt directly in the air is not possible because of Paucity of O2 Increasing gas temperature High friction losses High specific volume Paucity of O2 Increasing gas temperature High friction losses High specific volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines 1 m of air at atmospheric condition weighs approximately 1.0 kg 1.3 kg 2.2 kg 0.5 kg 1.0 kg 1.3 kg 2.2 kg 0.5 kg ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The absolute pressure of air at the outlet of a compressor is called Discharge pressure None of the listed here Back pressure Critical pressure Discharge pressure None of the listed here Back pressure Critical pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet engines, for the efficient production of large power, fuel is burnt in an atmosphere of Oxygen alone Compressed air Atmospheric air Vacuum Oxygen alone Compressed air Atmospheric air Vacuum ANSWER DOWNLOAD EXAMIANS APP
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