Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor decreases with ________ in compression ratio. Does not change Increase Remain same Decrease Does not change Increase Remain same Decrease ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter-cooling in multistage compressors is done To minimize the work of compression To cool the air during compression To cool the air at delivery To enable compression in two stages To minimize the work of compression To cool the air during compression To cool the air at delivery To enable compression in two stages ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor Decreases with decrease in compression ratio Increases with decrease in compression ratio Decreases with increase in compression ratio Increases with increase in compression ratio Decreases with decrease in compression ratio Increases with decrease in compression ratio Decreases with increase in compression ratio Increases with increase in compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressed air may be used For operating pneumatic drills All of the listed here In gas turbine plants In starting and supercharging of I.C. engines For operating pneumatic drills All of the listed here In gas turbine plants In starting and supercharging of I.C. engines 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 Vt > Vo U < Vo Vi = Vo V = Uo Vt > Vo U < Vo Vi = Vo V = Uo ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In open cycle turbojet engines used in military aircraft, reheating the exhaust gas from the turbine by burning, more fuel is used to increase the Thrust and range of aircraft Both (A) and (B) Efficiency of the engine None of these Thrust and range of aircraft Both (A) and (B) Efficiency of the engine None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS