Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor decreases with ________ in compression ratio. Does not change Remain same Increase Decrease Does not change Remain same Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum combustion pressure in gas turbine as compared to I.C. engine is Depends on other factors Same Less More Depends on other factors Same Less More 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 Mean effective pressure Compression index Compressor efficiency Compression ratio Mean effective pressure Compression index Compressor efficiency Compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In the axial flow gas turbine, the work ratio is the ratio of Actual compressor work and theoretical compressor work Output and input Actual total head temperature drop to the isentropic total head drop from total head inlet to static head outlet Compressor work and turbine work Actual compressor work and theoretical compressor work Output and input Actual total head temperature drop to the isentropic total head drop from total head inlet to static head outlet Compressor work and turbine work 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 Decrease None of these Increase Remain same Decrease None of these Increase Remain same 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 Isothermal efficiency Compressor efficiency Volumetric efficiency Mechanical efficiency Isothermal efficiency Compressor efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP