Compressors, Gas Turbines and Jet Engines More than one stage will be preferred for reciprocating compressor if the delivery pressure is more than 10 kg/cm² 14.7 kg/cm² 2 kg/cm² 6 kg/cm² 10 kg/cm² 14.7 kg/cm² 2 kg/cm² 6 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which of the following plants is smallest and lightest for generating a given amount of power? Diesel engine Solar plant Gas turbine plant Petrol engine Diesel engine Solar plant Gas turbine plant Petrol engine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, an increase in speed at a given pressure ratio causes Increase in efficiency Increase in flow and decrease in efficiency Increase in flow Decrease in flow Increase in efficiency Increase in flow and decrease in efficiency Increase in flow Decrease in flow ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The advantage of multistage compression over single stage compression is Higher volumetric efficiency All of these Decreased discharge temperature Lower power consumption per unit of air delivered Higher volumetric efficiency All of these Decreased discharge temperature Lower power consumption per unit of air delivered 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) (v₁ - v₂)²/g (v₁² -v₂²)/2g (v₁ - v₂)²/2g (v₁² -v₂²)/g (v₁ - v₂)²/g (v₁² -v₂²)/2g (v₁ - v₂)²/2g (v₁² -v₂²)/g ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A turboprop is preferred to turbojet because It can fly at supersonic speeds It has high power for take off It has high propulsive efficiency at high speeds It can fly at high elevations It can fly at supersonic speeds It has high power for take off It has high propulsive efficiency at high speeds It can fly at high elevations ANSWER DOWNLOAD EXAMIANS APP
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