Compressors, Gas Turbines and Jet Engines A compressor mostly used for supercharging of I.C. engines is Roots blower Axial flow compressor Radial flow compressor Reciprocating compressor Roots blower Axial flow compressor Radial flow compressor Reciprocating compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The mean effective pressure of the compressor is the None of these Volume of air delivered by the compressor Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions Volume of air sucked by the compressor during its suction stroke None of these Volume of air delivered by the compressor Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions Volume of air sucked by the compressor during its suction stroke 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 Generating pressure directly Conversion of pressure energy into kinetic energy Conversion of kinetic energy into pressure energy Centripetal action Generating pressure directly Conversion of pressure energy into kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would None of these Increase Decrease Remain same None of these Increase Decrease Remain same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine as compared to steam turbine Has compressor and combustion chamber Requires less space for installation All of these Has less efficiency Has compressor and combustion chamber Requires less space for installation All of these Has less efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For minimum work required to compress and deliver a quantity of air by multistage compression All of the listed here The intercooling should be perfect The compression ratio in each stage should be same The work-done in each stage should be same All of the listed here The intercooling should be perfect The compression ratio in each stage should be same The work-done in each stage should be same ANSWER DOWNLOAD EXAMIANS APP
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