Compressors, Gas Turbines and Jet Engines Volumetric efficiency of air compressors is of the order of 70 - 90% 20 - 30% 60 - 70% 40 - 50% 70 - 90% 20 - 30% 60 - 70% 40 - 50% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of roots blower ________ with the increase in pressure ratio. Does not change None of these Decreases Increases Does not change None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In multistage compressor, the isothermal compression is achieved by By insulating the cylinder By constantly cooling the cylinder Employing inter-cooler By running compressor at very slow speed By insulating the cylinder By constantly cooling the cylinder Employing inter-cooler By running compressor at very slow speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An air receiver is to be placed outside. Should it be placed in Sun Shade Enclosed room Rain Sun Shade Enclosed room Rain ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Rotary compressors are suitable for Low discharge at low pressure Large discharge at low pressure Low discharge at high pressure Large discharge at high pressure Low discharge at low pressure Large discharge at low pressure Low discharge at high pressure Large discharge at high pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The propulsive power of the rocket is (where v₁ = Jet velocity, and v₂ = Aircraft velocity) (v₁² -v₂²)/2g (v₁ - v₂)²/g (v₁² -v₂²)/g (v₁ - v₂)²/2g (v₁² -v₂²)/2g (v₁ - v₂)²/g (v₁² -v₂²)/g (v₁ - v₂)²/2g ANSWER DOWNLOAD EXAMIANS APP
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