Compressors, Gas Turbines and Jet Engines In jet engines, for the efficient production of large power, fuel is burnt in an atmosphere of Vacuum Compressed air Atmospheric air Oxygen alone Vacuum Compressed air Atmospheric air Oxygen alone ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Surging is the phenomenon of 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 Air stream blocking the passage Air stream not able to follow the blade contour Unsteady, periodic and reversed flow ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single acting reciprocating air compressor, without clearance, the compression of air may be Isentropic Polytropic Isothermal Any one of these Isentropic Polytropic Isothermal Any one of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which of the following statement is correct as regard to centrifugal compressors? The flow of air is parallel to the axis of the compressor The maximum efficiency is higher than multistage axial flow compressors The static pressure of air in the impeller increases in order to provide centripetal force on the air The impeller rotates at high speeds The flow of air is parallel to the axis of the compressor The maximum efficiency is higher than multistage axial flow compressors The static pressure of air in the impeller increases in order to provide centripetal force on the air The impeller rotates at high speeds ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Mining industry usually employs following motive power Diesel engine Petrol engine Compressed air C. electric motor Diesel engine Petrol engine Compressed air C. electric motor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines When air is to be compressed at a high pressure, then it is advantageous to use Multistage compression without intercooling None of these Single stage compression Multistage compression with intercooling Multistage compression without intercooling None of these Single stage compression Multistage compression with intercooling ANSWER DOWNLOAD EXAMIANS APP
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