Compressors, Gas Turbines and Jet Engines Intercooling in gas turbines Increases net output but decreases thermal efficiency Decreases net output but increases thermal efficiency Increases net output and thermal efficiency both Decreases net output and thermal efficiency both Increases net output but decreases thermal efficiency Decreases net output but increases thermal efficiency Increases net output and thermal efficiency both Decreases net output and thermal efficiency both ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about multistage compression? Volumetric efficiency is high Power consumption per unit of air delivered is low The moisture in air is condensed in the inter-cooler It is best suited for compression ratios around 7:1 Volumetric efficiency is high Power consumption per unit of air delivered is low The moisture in air is condensed in the inter-cooler It is best suited for compression ratios around 7:1 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The type of rotary compressor used in aeroplanes, is of Radial flow type Axial flow type None of these Centrifugal type Radial flow type Axial flow type None of these Centrifugal type ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum work is done in compressing air when the compression is Isothermal Polytropic Adiabatic None of these Isothermal Polytropic Adiabatic None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of outlet whirl velocity to blade velocity in case of centrifugal compressor is called None of these Velocity factor Slip factor Velocity coefficient None of these Velocity factor Slip factor Velocity coefficient 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)/g (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 ANSWER DOWNLOAD EXAMIANS APP