Compressors, Gas Turbines and Jet Engines Maximum work is done in compressing air when the compression is Adiabatic Isothermal Polytropic None of these Adiabatic Isothermal Polytropic None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor decreases with ________ in compression ratio. Remain same Does not change Increase Decrease Remain same Does not change Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio of an ideal vaned compressor with increase in mass flow rate Decreases Remain constant Increases First decreases and then increases Decreases Remain constant Increases First decreases and then increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines During peak load periods, the best method of controlling compressors is Variable speed Relief valve Start-stop motor Constant speed unloader Variable speed Relief valve Start-stop motor Constant speed unloader ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The reason for volumetric efficiency of reciprocating compressor being less than 100 percent is All of these Superheating in compressor Pressure drop across the valves Clearance volume and leakages All of these Superheating in compressor Pressure drop across the valves Clearance volume and leakages ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as Mechanical efficiency Compressor efficiency Volumetric efficiency Isothermal efficiency Mechanical efficiency Compressor efficiency Volumetric efficiency Isothermal efficiency ANSWER DOWNLOAD EXAMIANS APP
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