Compressors, Gas Turbines and Jet Engines The net work input required for compressor with increase in clearance volume Increases Remains same Increases/decreases depending on compressor capacity Decreases Increases Remains same Increases/decreases depending on compressor capacity Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter-cooling in gas turbine results in Increase in net output but decrease in thermal efficiency Increase in thermal efficiency but decrease in net output Decrease in both thermal efficiency and net output Increase in both thermal efficiency and net output Increase in net output but decrease in thermal efficiency Increase in thermal efficiency but decrease in net output Decrease in both thermal efficiency and net output Increase in both thermal efficiency and net output ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Phenomenon of choking in compressor means Increased inclination of chord with air steam Fixed mass flow rate regardless of pressure ratio No flow of air Reducing mass flow rate with increase in pressure ratio Increased inclination of chord with air steam Fixed mass flow rate regardless of pressure ratio No flow of air Reducing mass flow rate with increase in pressure ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The performance of air compressor at high altitudes will be ________ as compared to that at sea level. Higher Lower None of these Same Higher Lower None of these Same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A centrifugal compressor works on the principle of Generating pressure directly Conversion of pressure energy into kinetic energy Centripetal action Conversion of kinetic energy into pressure energy Generating pressure directly Conversion of pressure energy into kinetic energy Centripetal action Conversion of kinetic energy into pressure energy ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall isothermal efficiency of compressor is defined as the ratio of Isothermal h.p. to the BHP of motor Isothermal h.p. to adiabatic h.p. Work to compress air isothermally to work for actual compression Power to drive compressor to isothermal h.p. Isothermal h.p. to the BHP of motor Isothermal h.p. to adiabatic h.p. Work to compress air isothermally to work for actual compression Power to drive compressor to isothermal h.p. ANSWER DOWNLOAD EXAMIANS APP
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