Compressors, Gas Turbines and Jet Engines The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of 0.75 0.99 0.9 0.85 0.75 0.99 0.9 0.85 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 Vacuum Atmospheric air Oxygen alone Compressed air Vacuum Atmospheric air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio of an ideal vaned compressor with increase in mass flow rate First decreases and then increases Decreases Increases Remain constant First decreases and then increases Decreases Increases Remain constant ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Fighter bombers use following type of engine Ramjet Turbojet Rocket Turbo-propeller Ramjet Turbojet Rocket Turbo-propeller ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the wrong statement about advantages of multistage compression Air can be cooled perfectly in between Better lubrication is possible advantages of multistage More loss of air due to leakage past the cylinder Mechanical balance is better Air can be cooled perfectly in between Better lubrication is possible advantages of multistage More loss of air due to leakage past the cylinder Mechanical balance is better ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A centrifugal compressor works on the principle of Centripetal action Conversion of pressure energy into kinetic energy Conversion of kinetic energy into pressure energy Generating pressure directly Centripetal action Conversion of pressure energy into kinetic energy Conversion of kinetic energy into pressure energy Generating pressure directly ANSWER DOWNLOAD EXAMIANS APP
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