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
Compressors, Gas Turbines and Jet Engines The axial flow compressor is preferred in aircraft gas turbines because of Low frontal area None of the listed here High pressure rise Higher thrust Low frontal area None of the listed here High pressure rise Higher thrust ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about multistage compression? Volumetric efficiency is high The moisture in air is condensed in the inter-cooler Power consumption per unit of air delivered is low It is best suited for compression ratios around 7:1 Volumetric efficiency is high The moisture in air is condensed in the inter-cooler Power consumption per unit of air delivered is low It is best suited for compression ratios around 7:1 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which of the following statement is correct relating to rocket engines? The combustion chamber in a rocket engine is directly analogous to the reservoir of a supersonic wind tunnel The exit velocities of exhaust gases are much higher than those in jet engine All of these The stagnation conditions exist at the combustion chamber The combustion chamber in a rocket engine is directly analogous to the reservoir of a supersonic wind tunnel The exit velocities of exhaust gases are much higher than those in jet engine All of these The stagnation conditions exist at the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In multistage compressor, the isothermal compression is achieved by By constantly cooling the cylinder Employing inter-cooler By running compressor at very slow speed By insulating the cylinder By constantly cooling the cylinder Employing inter-cooler By running compressor at very slow speed By insulating the cylinder ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A machine used to raise the pressure of air is called Compressor Gas turbine I.C engine Air motor Compressor Gas turbine I.C engine Air motor ANSWER DOWNLOAD EXAMIANS APP