Compressors, Gas Turbines and Jet Engines The maximum compression ratio in an actual single stage axial flow compressor is of the order of 0.048611111111111 0.00070833333333333 0.045138888888889 0.043055555555556 0.048611111111111 0.00070833333333333 0.045138888888889 0.043055555555556 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which of the following statement is correct as regard to centrifugal compressors? The static pressure of air in the impeller increases in order to provide centripetal force on the air The impeller rotates at high speeds The flow of air is parallel to the axis of the compressor The maximum efficiency is higher than multistage axial flow compressors The static pressure of air in the impeller increases in order to provide centripetal force on the air The impeller rotates at high speeds The flow of air is parallel to the axis of the compressor The maximum efficiency is higher than multistage axial flow compressors ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The degree of reaction is usually kept ________ for all types of axial flow compressors. 0.2 0.3 0.5 0.4 0.2 0.3 0.5 0.4 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If infinite number of heaters be used in a gas turbine, then expansion process in turbine approaches Isothermal Isentropic Isochoric Adiabatic Isothermal Isentropic Isochoric Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of work done per cycle to the swept volume in case of compressor is called Compression ratio Compression index Mean effective pressure Compressor efficiency Compression ratio Compression index Mean effective pressure Compressor efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The performance of air compressor at high altitudes will be ________ as compared to that at sea level. Same None of these Lower Higher Same None of these Lower Higher ANSWER DOWNLOAD EXAMIANS APP