Compressors, Gas Turbines and Jet Engines Cylinder clearance in a compressor should be About 100% of swept volume About 50% of swept volume As large as possible As small as possible About 100% of swept volume About 50% of swept volume As large as possible As small as possible ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of work done per cycle to the swept volume in case of compressor is called Compression index Compressor efficiency Mean effective pressure Compression ratio Compression index Compressor efficiency Mean effective pressure Compression ratio 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 = (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 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines With the decrease in compression ratio, the volumetric efficiency First decrease and then increase Does not change Increases Decreases First decrease and then increase Does not change Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines What will be the volume of air at 327°C if its volume at 27°C is 1.5 m³/ mt? 1.5 m³/ mt. 6 m³/ mt. 18 m³/ mt. 3 m³/ mt. 1.5 m³/ mt. 6 m³/ mt. 18 m³/ mt. 3 m³/ mt. ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor Increases with decrease in compression ratio Increases with increase in compression ratio Decreases with decrease in compression ratio Decreases with increase in compression ratio Increases with decrease in compression ratio Increases with increase in compression ratio Decreases with decrease in compression ratio Decreases with increase in compression ratio ANSWER DOWNLOAD EXAMIANS APP
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