Compressors, Gas Turbines and Jet Engines An after-cooler is used to Remove impurities from air Cause moisture and oil vapour to drop out Reduce volume of air Cool the air Remove impurities from air Cause moisture and oil vapour to drop out Reduce volume of air Cool the air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The degree of reaction is usually kept ________ for all types of axial flow compressors. 0.3 0.2 0.5 0.4 0.3 0.2 0.5 0.4 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The material commonly used for air craft gas turbine is Duralumin Timken, Haste alloys High alloy steel Stainless steel Duralumin Timken, Haste alloys High alloy steel Stainless steel 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 (v₁ - v₂)²/2g (v₁² -v₂²)/2g (v₁² -v₂²)/g (v₁ - v₂)²/g (v₁ - v₂)²/2g (v₁² -v₂²)/2g (v₁² -v₂²)/g ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air power of the compressor is also known as Frictional power Indicated power None of these Brake power Frictional power Indicated power None of these Brake power ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Mining industry usually employs following motive power Compressed air Diesel engine C. electric motor Petrol engine Compressed air Diesel engine C. electric motor Petrol engine ANSWER DOWNLOAD EXAMIANS APP