Compressors, Gas Turbines and Jet Engines The criterion of the thermodynamic efficiency for rotary compressor is None of the listed here Isentropic compression Isothermal compression Polytropic compression None of the listed here Isentropic compression Isothermal compression Polytropic compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ideal efficiency of simple gas turbine cycle depends on Minimum cycle temperature Pressure ratio All of these Maximum cycle temperature Minimum cycle temperature Pressure ratio All of these Maximum cycle temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in multistage expansion gas turbine results in 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 High thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The absolute pressure of air at the outlet of a compressor is called None of the listed here Critical pressure Back pressure Discharge pressure None of the listed here Critical pressure Back pressure Discharge pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, the ratio of the ________ to the blade velocity is called slip factor. Inlet whirl velocity Outlet velocity of flow Inlet velocity of flow Outlet whirl velocity Inlet whirl velocity Outlet velocity of flow Inlet velocity of flow Outlet whirl velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Surging is the phenomenon of 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 Air stream blocking the passage ANSWER DOWNLOAD EXAMIANS APP