Compressors, Gas Turbines and Jet Engines As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio First increases and then decreases Remain same Decreases Increases First increases and then decreases Remain same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The degree of reaction is usually kept ________ for all types of axial flow compressors. 0.5 0.4 0.3 0.2 0.5 0.4 0.3 0.2 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air-fuel ratio in gas turbines is of the order of 15: 1 7: 1 30: 1 50: 1. 15: 1 7: 1 30: 1 50: 1. ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure and temperature conditions of air at the suction of compressor are Slightly more than atmospheric Atmospheric Slightly less than atmospheric Pressure slightly less than atmospheric and temperature slightly more than atmospheric Slightly more than atmospheric Atmospheric Slightly less than atmospheric Pressure slightly less than atmospheric and temperature slightly more than atmospheric ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For minimum work required to compress and deliver a quantity of air by multistage compression The compression ratio in each stage should be same The work-done in each stage should be same The intercooling should be perfect All of the listed here The compression ratio in each stage should be same The work-done in each stage should be same The intercooling should be perfect All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of work-done per cycle to the stroke volume of the compressor is known as Compressor efficiency Compressor capacity Compression ratio Mean effective pressure Compressor efficiency Compressor capacity Compression ratio Mean effective pressure ANSWER DOWNLOAD EXAMIANS APP
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