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 Oxygen alone Compressed air Vacuum Atmospheric air Oxygen alone Compressed air Vacuum ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The axial flow compressor is preferred in aircraft gas turbines because of High pressure rise None of the listed here Low frontal area Higher thrust High pressure rise None of the listed here Low frontal area Higher thrust ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of roots blower ________ with the increase in pressure ratio. None of these Decreases Increases Does not change None of these Decreases Increases Does not change ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines To avoid moisture troubles, the compressed air main line should Be laid exactly horizontally Rise gradually towards the point of use Drop gradually towards the point of use Be laid vertically Be laid exactly horizontally Rise gradually towards the point of use Drop gradually towards the point of use Be laid vertically ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The closed cycle in gas turbines Is used when gas is to be burnt In never used Provides lesser flexibility Provides greater flexibility Is used when gas is to be burnt In never used Provides lesser flexibility Provides greater flexibility ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The capacity of a compressor is expressed in kg/m³ kg/m² m³/kg m³/min kg/m³ kg/m² m³/kg m³/min ANSWER DOWNLOAD EXAMIANS APP
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