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 Be laid vertically Drop gradually towards the point of use Be laid exactly horizontally Rise gradually towards the point of use Be laid vertically Drop gradually towards the point of use ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine cycle with regenerator Decreases heat loss is exhaust Increases thermal efficiency Allows operation at very high altitudes Allows high compression ratio Decreases heat loss is exhaust Increases thermal efficiency Allows operation at very high altitudes Allows high compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thrust on the rotor in a centrifugal compressor is produced by Radial component Axial component None of these Tangential component Radial component Axial component None of these Tangential component ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would Increase Decrease None of these Remain same Increase Decrease None of these Remain same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Axial flow compressor has the following advantage over centrifugal compressor Aerofoil blades are used Larger air handling ability per unit frontal area Higher pressure ratio per stage Higher average velocities Aerofoil blades are used Larger air handling ability per unit frontal area Higher pressure ratio per stage Higher average velocities ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A rocket works with maximum overall efficiency when air craft velocity is equal to the Jet velocity Half the jet velocity Twice the jet velocity Average of the jet velocity Jet velocity Half the jet velocity Twice the jet velocity Average of the jet velocity ANSWER DOWNLOAD EXAMIANS APP
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