Compressors, Gas Turbines and Jet Engines Maximum work is done in compressing air when the compression is Adiabatic None of these Isothermal Polytropic Adiabatic None of these Isothermal Polytropic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The minimum work required for a three stage reciprocating air compressor is ___ the work required for each stage. Equal to Double Six times Three times Equal to Double Six times Three times ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum delivery pressure is a rotary air compressor is of the order of 6 kg/cm² 16 kg/cm² 10 kg/cm² 25 kg/cm² 6 kg/cm² 16 kg/cm² 10 kg/cm² 25 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The axial flow compressor is preferred in aircraft gas turbines because of High pressure rise None of the listed here Low frontal area Higher thrust High pressure rise None of the listed here Low frontal area Higher thrust 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 Remain same Decrease None of these Increase Remain same Decrease ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ram compression in turbojet involves Increasing speed of incoming air Compression of inlet air Lost work Reduction of speed of incoming air and conversion of part of it into pressure energy Increasing speed of incoming air Compression of inlet air Lost work Reduction of speed of incoming air and conversion of part of it into pressure energy ANSWER DOWNLOAD EXAMIANS APP
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