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 Pressure coefficient Slip factor Work factor Degree of reaction Pressure coefficient Slip factor Work factor Degree of reaction ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An air compressor may be controlled by Throttle control Blow off control Any one of the above Clearance control Throttle control Blow off control Any one of the above Clearance control 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 Remain same None of these Decrease Increase Remain same None of these Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the discharge pressure to the inlet pressure of air is called Compression ratio Compressor efficiency Expansion ratio Volumetric efficiency Compression ratio Compressor efficiency Expansion ratio Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The net work input required for compressor with increase in clearance volume Increases Decreases Remains same Increases/decreases depending on compressor capacity Increases Decreases Remains same Increases/decreases depending on compressor capacity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Propulsion efficiency of the following order is obtained in practice 0.5 0.6 0.72 0.34 0.5 0.6 0.72 0.34 ANSWER DOWNLOAD EXAMIANS APP