Compressors, Gas Turbines and Jet Engines The criterion of the thermodynamic efficiency for rotary compressor is Isothermal compression Isentropic compression Polytropic compression None of the listed here Isothermal compression Isentropic compression Polytropic compression None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The effective power of gas turbines is increased by adding the following in compressor Carbon dioxide Ammonia and water vapour Hydrogen Nitrogen Carbon dioxide Ammonia and water vapour Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The clearance volume of the air compressor is kept minimum because It greatly affects volumetric efficiency It results in minimum work It permits isothermal compression It allows maximum compression to be achieved It greatly affects volumetric efficiency It results in minimum work It permits isothermal compression It allows maximum compression to be achieved ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A centrifugal compressor works on the principle of Generating pressure directly Centripetal action Conversion of kinetic energy into pressure energy Conversion of pressure energy into kinetic energy Generating pressure directly Centripetal action Conversion of kinetic energy into pressure energy Conversion of pressure energy into kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The output of a gas turbine is 300 KW and its efficiency is 20 percent, the heat supplied is 6000 KW 600 KW 15 KW 150 KW 6000 KW 600 KW 15 KW 150 KW ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In multistage compressor, the isothermal compression is achieved by Employing inter-cooler By running compressor at very slow speed By constantly cooling the cylinder By insulating the cylinder Employing inter-cooler By running compressor at very slow speed By constantly cooling the cylinder By insulating the cylinder ANSWER DOWNLOAD EXAMIANS APP