Compressors, Gas Turbines and Jet Engines The pressure and temperature conditions of air at the suction of compressor are 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 Slightly more than atmospheric ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is Less More Same More/less depending on compressor capacity Less More Same More/less depending on compressor capacity 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 Efficiency of gas turbine is increased by Inter cooling Reheating Adding a regenerator All of the listed here Inter cooling Reheating Adding a regenerator All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter cooling in compressors Cools the delivered air Results in saving of power in compressing a given volume to given pressure Is the standard practice for big compressors Enables compression in two stages Cools the delivered air Results in saving of power in compressing a given volume to given pressure Is the standard practice for big compressors Enables compression in two stages ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of fluid, and suffix ‘I’ and ‘o’ stand for entry and exit conditions, then in a rotary machine whose degree of reaction is unity V = Uo Vi = Vo Vt > Vo U < Vo V = Uo Vi = Vo Vt > Vo U < Vo ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS