Compressors, Gas Turbines and Jet Engines The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of 0.85 0.9 0.99 0.75 0.85 0.9 0.99 0.75 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a closed cycle gas turbine, the air is compressed Isentropically Polytropically Isothermally None of these Isentropically Polytropically Isothermally None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In an axial flow compressor, the ratio of pressure in the rotor blades to the pressure rise in the compressor in one stage is known as Work factor Pressure coefficient Degree of reaction Slip factor Work factor Pressure coefficient Degree of reaction Slip factor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The specific output per kg mass flow rate of a gas turbine (having fixed efficiencies of compressor and turbine and fixed higher and lower temperature) with increase in pressure ratio will Decrease continuously First increase, reach maximum and then decrease Increase first at slow rate and then fast Increase first at fast rate and then slow Decrease continuously First increase, reach maximum and then decrease Increase first at slow rate and then fast Increase first at fast rate and then slow ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In the aircraft propellers Propulsive matter is ejected from within the propelled body The propulsive matter is caused to flow around the propelled body Its functioning does not depend on presence of air All of these Propulsive matter is ejected from within the propelled body The propulsive matter is caused to flow around the propelled body Its functioning does not depend on presence of air All of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which of the following fuels can be used in turbojet engines? Kerosene Methyl alcohol Liquid hydrogen High speed diesel oil Kerosene Methyl alcohol Liquid hydrogen High speed diesel oil ANSWER DOWNLOAD EXAMIANS APP