Compressors, Gas Turbines and Jet Engines In jet engines, for the efficient production of large power, fuel is burnt in an atmosphere of Atmospheric air Vacuum Oxygen alone Compressed air Atmospheric air Vacuum Oxygen alone Compressed air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum compression ratio in an actual single stage axial flow compressor is of the order of 0.043055555555556 0.048611111111111 0.045138888888889 0.00070833333333333 0.043055555555556 0.048611111111111 0.045138888888889 0.00070833333333333 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The effective power of gas turbines is increased by adding the following in compressor Nitrogen Ammonia and water vapour Hydrogen Carbon dioxide Nitrogen Ammonia and water vapour Hydrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In turbo fan engine, the jet velocity as compared to turbojet engine is Less Same May be less or more depending upon speed More Less Same May be less or more depending upon speed More ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thrust of a jet propulsion power unit can be increased by Burning fuel after gas turbine Injecting water into the compressor All of these Injecting ammonia into the combustion chamber Burning fuel after gas turbine Injecting water into the compressor All of these Injecting ammonia into the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Work ratio of a gas turbine may be improved by Both (A) and (C) above Decreasing the compression work Increasing the turbine work Increasing the compression work Both (A) and (C) above Decreasing the compression work Increasing the turbine work Increasing the compression work ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS