Compressors, Gas Turbines and Jet Engines The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is Low High Low/high depending on make and type Same Low High Low/high depending on make and type Same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter cooling in compressors Enables compression in two stages Is the standard practice for big compressors Cools the delivered air Results in saving of power in compressing a given volume to given pressure Enables compression in two stages Is the standard practice for big compressors Cools the delivered air Results in saving of power in compressing a given volume to given pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Rotary compressor is best suited for Large quantity of air at low pressure Large quantity of air at high pressure Small quantity of air at low pressure Small quantity of air at high pressure Large quantity of air at low pressure Large quantity of air at high pressure Small quantity of air at low pressure Small quantity of air at high pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum combustion pressure in gas turbine as compared to I.C. engine is Same Less More Depends on other factors Same Less More Depends on other factors ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Stalling of blades in axial flow compressor is the phenomenon of Air stream not able to follow the blade contour Unsteady periodic and reversed flow Air stream blocking the passage Motion of air at sonic velocity Air stream not able to follow the blade contour Unsteady periodic and reversed flow Air stream blocking the passage Motion of air at sonic velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor without clearance volume, the work-done is maximum during Isentropic compression Isothermal compression Polytropic compression None of these Isentropic compression Isothermal compression Polytropic compression None of these ANSWER DOWNLOAD EXAMIANS APP