Compressors, Gas Turbines and Jet Engines Maximum work is done in compressing air when the compression is Polytropic Adiabatic Isothermal None of these Polytropic Adiabatic Isothermal None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Out of the following, from where you will prefer to take intake for air compressor From an air conditioned room maintained at 20°C From outside atmosphere at 1°C From coal yard side From a side where cooling tower is located nearby From an air conditioned room maintained at 20°C From outside atmosphere at 1°C From coal yard side From a side where cooling tower is located nearby ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Only rocket engines can be propelled to space because They have high propulsion efficiency They can generate very high thrust They are not air breathing engines These engines can work on several fuels They have high propulsion efficiency They can generate very high thrust They are not air breathing engines These engines can work on several fuels ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Adiabatic compression is one in which Work done is maximum Temperature during compression remains constant No heat leaves or enters the compressor cylinder during compression Temperature rise follows a linear relationship Work done is maximum Temperature during compression remains constant No heat leaves or enters the compressor cylinder during compression Temperature rise follows a linear relationship ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of fluid, and suffix ‘I’ and ‘o’ stand for entry and exit conditions, then in a rotary machine whose degree of reaction is unity V = Uo U < Vo Vi = Vo Vt > Vo V = Uo U < Vo Vi = Vo Vt > Vo ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about air receivers? These increase compressor efficiency These act as reservoir to take care of sudden demands These are used to dampen pulsations These knock out some oil and moisture These increase compressor efficiency These act as reservoir to take care of sudden demands These are used to dampen pulsations These knock out some oil and moisture ANSWER DOWNLOAD EXAMIANS APP
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