Compressors, Gas Turbines and Jet Engines The ratio of the increase in pressure in rotor blades to total increase in pressure in the stage is called Pressure ratio Pressure coefficient Degree of reaction Slip factor Pressure ratio Pressure coefficient Degree of reaction Slip factor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In axial flow compressor, exit flow angle deviation from the blade angle is a function of Space-chord ratio Blade camber and incidence angle Blade camber and space-chord ratio Blade camber Space-chord ratio Blade camber and incidence angle Blade camber and space-chord ratio Blade camber ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the wrong statement about advantages of multistage compression More loss of air due to leakage past the cylinder Better lubrication is possible advantages of multistage Air can be cooled perfectly in between Mechanical balance is better More loss of air due to leakage past the cylinder Better lubrication is possible advantages of multistage Air can be cooled perfectly in between Mechanical balance is better ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of 0.9 0.85 0.75 0.99 0.9 0.85 0.75 0.99 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If p₁, is the pressure of air entering the L.P. cylinder and p₂ is the pressure of air leaving the L.P. cylinder (or inter-cooler pressure), then the ratio of cylinder diameters for a single acting, two stage reciprocating air compressor with complete intercooling is given by (where D₁ = Dia. of L.P. cylinder, and D₂ = Dia. of H.P. cylinder) D₁/D₂ = p₂/p₁ D₁/D₂ = p₁ p₂ None of these D₁/D₂ = p₁/p₂ D₁/D₂ = p₂/p₁ D₁/D₂ = p₁ p₂ None of these D₁/D₂ = p₁/p₂ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Free air is the air at Atmospheric conditions at any specific location 15°C and 1 kg/cm² 0°C and standard atmospheric conditions 20°C and 1 kg/cm² and relative humidity of 36% Atmospheric conditions at any specific location 15°C and 1 kg/cm² 0°C and standard atmospheric conditions 20°C and 1 kg/cm² and relative humidity of 36% ANSWER DOWNLOAD EXAMIANS APP
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