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 stagnation conditions exist at the combustion chamber The exit velocities of exhaust gases are much higher than those in jet engine All of these The combustion chamber in a rocket engine is directly analogous to the reservoir of a supersonic wind tunnel The stagnation conditions exist at the combustion chamber The exit velocities of exhaust gases are much higher than those in jet engine All of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines High air-fuel ratio in gas turbines Improves thermal efficiency Reduces exhaust temperature Do not damage turbine blades Increases power output Improves thermal efficiency Reduces exhaust temperature Do not damage turbine blades Increases power output ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Stalling of blades in axial flow compressor is the phenomenon of Air stream blocking the passage Unsteady periodic and reversed flow Air stream not able to follow the blade contour Motion of air at sonic velocity Air stream blocking the passage Unsteady periodic and reversed flow Air stream not able to follow the blade contour Motion of air at sonic velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines High air-fuel ratio is used in gas turbines To save fuel To increase the output To reduce the exit temperature To increase the efficiency To save fuel To increase the output To reduce the exit temperature To increase the efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is Same More Less More/less depending on compressor capacity Same More Less More/less depending on compressor capacity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine as compared to internal combustion engine Has more efficiency All of the listed here Can be driven at a very high speed Produces uniform torque Has more efficiency All of the listed here Can be driven at a very high speed Produces uniform torque ANSWER DOWNLOAD EXAMIANS APP
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