Compressors, Gas Turbines and Jet Engines Phenomenon of choking in compressor means Increased inclination of chord with air steam Fixed mass flow rate regardless of pressure ratio No flow of air Reducing mass flow rate with increase in pressure ratio Increased inclination of chord with air steam Fixed mass flow rate regardless of pressure ratio No flow of air Reducing mass flow rate with increase in pressure ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The following property is most important for material used for gas turbine blade Corrosion resistance Fatigue Creep Toughness Corrosion resistance Fatigue Creep Toughness ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure and temperature conditions of air at the suction of compressor are Atmospheric Pressure slightly less than atmospheric and temperature slightly more than atmospheric Slightly more than atmospheric Slightly less than atmospheric Atmospheric Pressure slightly less than atmospheric and temperature slightly more than atmospheric Slightly more than atmospheric Slightly less than atmospheric ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor decreases with ________ in compression ratio. Increase Does not change Remain same Decrease Increase Does not change Remain same Decrease ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ratio of indicated h.p. to shaft h.p. in known as Mechanical efficiency Compressor efficiency Isothermal efficiency Volumetric efficiency Mechanical efficiency Compressor efficiency Isothermal efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For a two stage compressor, if index of compression for higher stage is greater than index of compression for lower stage, then the optimum pressure as compared to ideal case will Decrease Remain unaffected Increase Other factors control it Decrease Remain unaffected Increase Other factors control it ANSWER DOWNLOAD EXAMIANS APP
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