Compressors, Gas Turbines and Jet Engines Cylinder clearance in a compressor should be As large as possible About 50% of swept volume About 100% of swept volume As small as possible As large as possible About 50% of swept volume About 100% of swept volume As small as possible ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines After-cooler is used to Reduce volume Cool the air Decrease the delivery temperature for ease in handling Cause moisture and oil vapour to drop out Reduce volume Cool the air Decrease the delivery temperature for ease in handling Cause moisture and oil vapour to drop out ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Separators are generally used in air compressor installations Before the inter-cooler After the inter-cooler Before first stage suction Between the after-cooler and receiver Before the inter-cooler After the inter-cooler Before first stage suction Between the after-cooler and receiver ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If p₁ is the pressure of air entering the L.P, cylinder and p₃ is the pressure of air leaving the H.P. cylinder, then the ratio of cylinder diameters for a single acting, two stage reciprocating compressor with complete intercooling is given by D₁/D₂ = (p₁/p₃)1/4 D₁/D₂ = (p₃/p₁)1/4 D₁/D₂ = (p₁ p₃)1/2 D₁/D₂ = (p₁ p₃)1/4 D₁/D₂ = (p₁/p₃)1/4 D₁/D₂ = (p₃/p₁)1/4 D₁/D₂ = (p₁ p₃)1/2 D₁/D₂ = (p₁ p₃)1/4 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working substance is expanded in Turbine blades, which is essentially an isentropic process Turbine blades, which is a constant volume process Exit nozzle, which is essentially an isentropic process Exit nozzle, which is a constant volume process Turbine blades, which is essentially an isentropic process Turbine blades, which is a constant volume process Exit nozzle, which is essentially an isentropic process Exit nozzle, which is a constant volume process ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine as compared to steam turbine Has compressor and combustion chamber All of these Requires less space for installation Has less efficiency Has compressor and combustion chamber All of these Requires less space for installation Has less efficiency ANSWER DOWNLOAD EXAMIANS APP
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