Compressors, Gas Turbines and Jet Engines Rotary compressors are used for delivering Large quantities of air at low pressures Small quantities of air at low pressures Small quantities of air at high pressures Large quantities of air at high pressures Large quantities of air at low pressures Small quantities of air at low pressures Small quantities of air at high pressures Large quantities of air at high pressures ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The gas in cooling chamber of a closed cycle gas turbine is cooled at Constant pressure Constant temperature Constant volume None of the listed here Constant pressure Constant temperature Constant volume None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines With the decrease in compression ratio, the volumetric efficiency Does not change Increases First decrease and then increase Decreases Does not change Increases First decrease and then increase Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of 0.85 0.9 0.99 0.75 0.85 0.9 0.99 0.75 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 Tangential component None of these Radial component Axial component Tangential component None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in multistage expansion gas turbine results in High thermal efficiency Maximum work output Reduction in compressor work Decrease of heat loss in exhaust High thermal efficiency Maximum work output Reduction in compressor work Decrease of heat loss in exhaust ANSWER DOWNLOAD EXAMIANS APP
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