Compressors, Gas Turbines and Jet Engines The ratio of the increase in pressure in rotor blades to total increase in pressure in the stage is called Pressure coefficient Pressure ratio Degree of reaction Slip factor Pressure coefficient Pressure ratio Degree of reaction Slip factor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In multistage compressor, the isothermal compression is achieved by By insulating the cylinder By running compressor at very slow speed Employing inter-cooler By constantly cooling the cylinder By insulating the cylinder By running compressor at very slow speed Employing inter-cooler By constantly cooling the cylinder ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet engines, paraffin is usually used as the fuel because of its Both (A) and (C) above Low freezing point Ease of atomisation High calorific value Both (A) and (C) above Low freezing point Ease of atomisation High calorific value ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines During base load operation, the best method of controlling compressor is Variable speed Start-stop motor Relief valve Constant speed unloader Variable speed Start-stop motor Relief valve Constant speed unloader ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the indicated power to the shaft power or brake power of the motor or engine required to drive the compressor, is called Mechanical efficiency Compressor efficiency Volumetric efficiency Isothermal efficiency Mechanical efficiency Compressor efficiency Volumetric efficiency Isothermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A turboprop is preferred to turbojet because It can fly at high elevations It can fly at supersonic speeds It has high power for take off It has high propulsive efficiency at high speeds It can fly at high elevations It can fly at supersonic speeds It has high power for take off It has high propulsive efficiency at high speeds ANSWER DOWNLOAD EXAMIANS APP
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