Compressors, Gas Turbines and Jet Engines The material commonly used for air craft gas turbine is Timken, Haste alloys High alloy steel Stainless steel Duralumin Timken, Haste alloys High alloy steel Stainless steel Duralumin ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Actual compression curve is Same as isothermal Same as adiabatic Better than isothermal and adiabatic In between isothermal and adiabatic Same as isothermal Same as adiabatic Better than isothermal and adiabatic In between isothermal and adiabatic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Phenomenon of choking in compressor means Reducing mass flow rate with increase in pressure ratio Increased inclination of chord with air steam No flow of air Fixed mass flow rate regardless of pressure ratio Reducing mass flow rate with increase in pressure ratio Increased inclination of chord with air steam No flow of air Fixed mass flow rate regardless of pressure ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If infinite number of heaters be used in a gas turbine, then expansion process in turbine approaches Isochoric Adiabatic Isentropic Isothermal Isochoric Adiabatic Isentropic Isothermal ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A centrifugal compressor works on the principle of Conversion of kinetic energy into pressure energy Centripetal action Conversion of pressure energy into kinetic energy Generating pressure directly Conversion of kinetic energy into pressure energy Centripetal action Conversion of pressure energy into kinetic energy Generating pressure directly ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in multistage expansion gas turbine results in Reduction in compressor work Decrease of heat loss in exhaust Maximum work output High thermal efficiency Reduction in compressor work Decrease of heat loss in exhaust Maximum work output High thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
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