Compressors, Gas Turbines and Jet Engines The overall efficiency of the compressed air system is the Ratio of shaft input to the compressor to the shaft output of air motor Ratio of shaft output of the air motor to the shaft input to the compressor Product of shaft output of air motor and shaft input to the compressor None of these Ratio of shaft input to the compressor to the shaft output of air motor Ratio of shaft output of the air motor to the shaft input to the compressor Product of shaft output of air motor and shaft input to the compressor None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor decreases with ________ in compression ratio. Remain same Increase Does not change Decrease Remain same Increase Does not change Decrease ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The propulsive power of the rocket is (where v₁ = Jet velocity, and v₂ = Aircraft velocity) (v₁² -v₂²)/g (v₁ - v₂)²/g (v₁² -v₂²)/2g (v₁ - v₂)²/2g (v₁² -v₂²)/g (v₁ - v₂)²/g (v₁² -v₂²)/2g (v₁ - v₂)²/2g ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in multistage expansion gas turbine results in High thermal efficiency Reduction in compressor work Decrease of heat loss in exhaust Maximum work output High thermal efficiency Reduction in compressor work Decrease of heat loss in exhaust Maximum work output ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single acting reciprocating compressor, the suction, compression and delivery of air takes place in ________ of the piston. Four strokes Three strokes One stroke Two strokes Four strokes Three strokes One stroke Two strokes ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine as compared to steam turbine All of these Has compressor and combustion chamber Has less efficiency Requires less space for installation All of these Has compressor and combustion chamber Has less efficiency Requires less space for installation ANSWER DOWNLOAD EXAMIANS APP