Compressors, Gas Turbines and Jet Engines The criterion of the thermodynamic efficiency for rotary compressor is Isothermal compression Polytropic compression Isentropic compression None of the listed here Isothermal compression Polytropic compression Isentropic compression None of the listed here 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 Remain same Increase Decrease None of these Remain same Increase Decrease None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The hottest point in a gas turbine is at the tip at the base between ~ to i of the blade height in the center at the tip at the base between ~ to i of the blade height in the center ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure and temperature conditions of air at the suction of compressor are Pressure slightly less than atmospheric and temperature slightly more than atmospheric Slightly more than atmospheric Slightly less than atmospheric Atmospheric Pressure slightly less than atmospheric and temperature slightly more than atmospheric Slightly more than atmospheric Slightly less than atmospheric Atmospheric ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine as compared to internal combustion engine All of the listed here Can be driven at a very high speed Has more efficiency Produces uniform torque All of the listed here Can be driven at a very high speed Has more efficiency Produces uniform torque ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Adiabatic compression is one in which Work done is maximum Temperature rise follows a linear relationship Temperature during compression remains constant No heat leaves or enters the compressor cylinder during compression Work done is maximum Temperature rise follows a linear relationship Temperature during compression remains constant No heat leaves or enters the compressor cylinder during compression ANSWER DOWNLOAD EXAMIANS APP
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