Compressors, Gas Turbines and Jet Engines In gas turbines, high thermal efficiency is obtained in Open cycle Closed cycle Closed/open depending on other considerations Closed cycle & Open cycle Open cycle Closed cycle Closed/open depending on other considerations Closed cycle & Open cycle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a four stage compressor, if the pressure at the first and third stage is 1 bar and 16 bar, then the delivery pressure at the fourth stage will be 256 bar 1 bar 16 bar 64 bar 256 bar 1 bar 16 bar 64 bar ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A rocket works with maximum overall efficiency when air craft velocity is equal to the Average of the jet velocity Jet velocity Twice the jet velocity Half the jet velocity Average of the jet velocity Jet velocity Twice the jet velocity Half the jet velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An air receiver is to be placed outside. Should it be placed in Sun Rain Shade Enclosed room Sun Rain Shade Enclosed room 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 The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of 0.99 0.85 0.9 0.75 0.99 0.85 0.9 0.75 ANSWER DOWNLOAD EXAMIANS APP