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 Remain same Decrease None of these Increase Remain same Decrease None of these Increase ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines When the temperature of air leaving the inter-cooler, in a two stage compression with inter-cooler, is ________ the original atmospheric air temperature, then the intercooling is known as perfect or complete intercooling. Equal to More than Less than None of these Equal to More than Less than None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum propulsion efficiency of a turbojet is attained at around following speed 550 km/hr 1050 km/hr 1700 km/hr 2400 km/hr 550 km/hr 1050 km/hr 1700 km/hr 2400 km/hr 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 Slip factor Work factor Pressure coefficient Degree of reaction Slip factor Work factor Pressure coefficient Degree of reaction ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An air compressor may be controlled by Throttle control Any one of the above Clearance control Blow off control Throttle control Any one of the above Clearance control Blow off control ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A rocket engine uses __________ for the combustion of its fuel. Compressed atmospheric air None of these Surrounding air Its own oxygen Compressed atmospheric air None of these Surrounding air Its own oxygen ANSWER DOWNLOAD EXAMIANS APP