Compressors, Gas Turbines and Jet Engines Stalling of blades in axial flow compressor is the phenomenon of Air stream blocking the passage Air stream not able to follow the blade contour Unsteady periodic and reversed flow Motion of air at sonic velocity Air stream blocking the passage Air stream not able to follow the blade contour Unsteady periodic and reversed flow Motion of air at sonic velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of work-done per cycle to the stroke volume of the compressor is known as Compressor capacity Mean effective pressure Compressor efficiency Compression ratio Compressor capacity Mean effective pressure Compressor efficiency Compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The mass of gas turbine per kW developed is about ________ as that of an I.C. engine. One-half One sixth One fourth Same One-half One sixth One fourth Same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Intercooling in gas turbines Decreases net output but increases thermal efficiency Decreases net output and thermal efficiency both Increases net output and thermal efficiency both Increases net output but decreases thermal efficiency Decreases net output but increases thermal efficiency Decreases net output and thermal efficiency both Increases net output and thermal efficiency both Increases net output but decreases thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thrust of a jet propulsion power unit can be increased by All of these Injecting water into the compressor Burning fuel after gas turbine Injecting ammonia into the combustion chamber All of these Injecting water into the compressor Burning fuel after gas turbine Injecting ammonia into the combustion chamber 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 More/less depending on compressor capacity Same Less More More/less depending on compressor capacity Same Less More ANSWER DOWNLOAD EXAMIANS APP
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