Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor with clearance volume Decreases with increase in compression ratio In not dependent upon compression ratio May increase/decrease depending on compressor capacity Increases with increase in compression ratio Decreases with increase in compression ratio In not dependent upon compression ratio May increase/decrease depending on compressor capacity Increases with increase in compression ratio 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)²/2g (v₁² -v₂²)/2g (v₁² -v₂²)/g (v₁ - v₂)²/g (v₁ - v₂)²/2g (v₁² -v₂²)/2g (v₁² -v₂²)/g (v₁ - v₂)²/g ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In the aircraft propellers Its functioning does not depend on presence of air The propulsive matter is caused to flow around the propelled body All of these Propulsive matter is ejected from within the propelled body Its functioning does not depend on presence of air The propulsive matter is caused to flow around the propelled body All of these Propulsive matter is ejected from within the propelled body ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A rocket engine uses __________ for the combustion of its fuel. Surrounding air Its own oxygen None of these Compressed atmospheric air Surrounding air Its own oxygen None of these Compressed atmospheric air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of isentropic work to Euler work is known as Polytropic reaction Work coefficient Pressure coefficient Slip factor Polytropic reaction Work coefficient Pressure coefficient Slip factor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In an axial flow compressor, the ratio of pressure in the rotor blades to the pressure rise in the compressor in one stage is known as Pressure coefficient Work factor Slip factor Degree of reaction Pressure coefficient Work factor Slip factor Degree of reaction ANSWER DOWNLOAD EXAMIANS APP
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