Compressors, Gas Turbines and Jet Engines Cylinder clearance in a compressor should be About 50% of swept volume As large as possible About 100% of swept volume As small as possible About 50% of swept volume As large as possible About 100% of swept volume As small as possible ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Producer gas is produced by Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Passing air and a large amount of steam over waste coal at about 65°C Carbonisation of coal Passing steam over incandescent coke Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Passing air and a large amount of steam over waste coal at about 65°C Carbonisation of coal Passing steam over incandescent coke ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of roots blower ________ with the increase in pressure ratio. Does not change None of these Decreases Increases Does not change None of these Decreases Increases 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 Blade camber and incidence angle Blade camber Space-chord ratio Blade camber and space-chord ratio Blade camber and incidence angle Blade camber Space-chord ratio Blade camber and space-chord ratio 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 The ratio of the increase in pressure in rotor blades to total increase in pressure in the stage is called Pressure coefficient Slip factor Degree of reaction Pressure ratio Pressure coefficient Slip factor Degree of reaction Pressure ratio ANSWER DOWNLOAD EXAMIANS APP