Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor decreases with ________ in compression ratio. Remain same Does not change Decrease Increase Remain same Does not change Decrease Increase 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 Remain same Decrease Increase None of these Remain same Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines When air is to be compressed at a high pressure, then it is advantageous to use Multistage compression without intercooling Multistage compression with intercooling None of these Single stage compression Multistage compression without intercooling Multistage compression with intercooling None of these Single stage compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A compressor at high altitude will draw More/less power depending on other factors Same power Less power More power More/less power depending on other factors Same power Less power More power ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Mechanical efficiency of gas turbines as compared to I.C engines is Lower Same None of these Higher Lower Same None of these Higher ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The degree of reaction of an axial flow turbine is the ratio of isentropic temperature drop in a blade row to the Adiabatic temperature drop in the stage Total adiabatic temperature drop Total temperature drop Total temperature drop in the stage Adiabatic temperature drop in the stage Total adiabatic temperature drop Total temperature drop Total temperature drop in the stage ANSWER DOWNLOAD EXAMIANS APP
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