Compressors, Gas Turbines and Jet Engines As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio Remain same Increases Decreases First increases and then decreases Remain same Increases Decreases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Mining industry usually employs following motive power Diesel engine Petrol engine C. electric motor Compressed air Diesel engine Petrol engine C. electric motor Compressed air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The degree of reaction is usually kept ________ for all types of axial flow compressors. 0.3 0.2 0.5 0.4 0.3 0.2 0.5 0.4 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A centrifugal compressor works on the principle of Conversion of pressure energy into kinetic energy Centripetal action Generating pressure directly Conversion of kinetic energy into pressure energy Conversion of pressure energy into kinetic energy Centripetal action Generating pressure directly Conversion of kinetic energy into pressure energy ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In gas turbines, high thermal efficiency is obtained in Closed/open depending on other considerations Open cycle Closed cycle & Open cycle Closed cycle Closed/open depending on other considerations Open cycle Closed cycle & Open cycle Closed cycle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air power of the compressor is also known as Frictional power None of these Indicated power Brake power Frictional power None of these Indicated power Brake power ANSWER DOWNLOAD EXAMIANS APP