Compressors, Gas Turbines and Jet Engines The degree of reaction in an axial flow compressor is defined as the ratio of static enthalpy rise in the Stator to static enthalpy rise in the stage Rotor to static enthalpy rise in the stator Rotor to static enthalpy rise in the stage Stator to static enthalpy rise in the rotor Stator to static enthalpy rise in the stage Rotor to static enthalpy rise in the stator Rotor to static enthalpy rise in the stage Stator to static enthalpy rise in the rotor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thrust on the rotor in a centrifugal compressor is produced by Tangential component Axial component None of these Radial component Tangential component Axial component None of these Radial component ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For maximum work, the reheating should be done to an intermediate pressure of (Where p₁ = Maximum pressure, and p₂ = Minimum pressure) p₁/p₂ (p₁ + p₂)/2 (p₁ - p₂)/2 p₁ p₂ p₁/p₂ (p₁ + p₂)/2 (p₁ - p₂)/2 p₁ p₂ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor without clearance volume May increase/decrease depending on compressor capacity Is not dependent upon compression ratio Increases with increase in compression ratio Decreases with increase in compression ratio May increase/decrease depending on compressor capacity Is not dependent upon compression ratio Increases with increase in compression ratio Decreases with increase in compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single acting reciprocating air compressor, without clearance, the compression of air may be Polytropic Any one of these Isothermal Isentropic Polytropic Any one of these Isothermal Isentropic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a compressor, free air delivered is the actual volume delivered at the stated pressure reduced to Intake temperature and pressure conditions N.T.P. conditions 20°C and 1 kg/cm² 0°C and 1 kg/cm² Intake temperature and pressure conditions N.T.P. conditions 20°C and 1 kg/cm² 0°C and 1 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
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