Compressors, Gas Turbines and Jet Engines In an axial flow compressor, the ratio of pressure in the rotor blades to the pressure rise in the compressor in one stage is known as Pressure coefficient Degree of reaction Slip factor Work factor Pressure coefficient Degree of reaction Slip factor Work factor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The working fluid in a turbine is In the form of air and water mixture In three phases In two phases In a single phase In the form of air and water mixture In three phases In two phases In a single phase ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about multistage compression? Power consumption per unit of air delivered is low The moisture in air is condensed in the inter-cooler Volumetric efficiency is high It is best suited for compression ratios around 7:1 Power consumption per unit of air delivered is low The moisture in air is condensed in the inter-cooler Volumetric efficiency is high It is best suited for compression ratios around 7:1 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter-cooling in gas turbine results in Increase in thermal efficiency but decrease in net output Increase in both thermal efficiency and net output Increase in net output but decrease in thermal efficiency Decrease in both thermal efficiency and net output Increase in thermal efficiency but decrease in net output Increase in both thermal efficiency and net output Increase in net output but decrease in thermal efficiency Decrease in both thermal efficiency and net output 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 = (p₃/p₁)1/4 D₁/D₂ = (p₁/p₃)1/4 D₁/D₂ = (p₁ p₃)1/4 D₁/D₂ = (p₁ p₃)1/2 D₁/D₂ = (p₃/p₁)1/4 D₁/D₂ = (p₁/p₃)1/4 D₁/D₂ = (p₁ p₃)1/4 D₁/D₂ = (p₁ p₃)1/2 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio) 1 - r ɣ-1 1 - (1/r) ɣ/ɣ-1 r ɣ-1 1 - (1/r) ɣ-1/ɣ 1 - r ɣ-1 1 - (1/r) ɣ/ɣ-1 r ɣ-1 1 - (1/r) ɣ-1/ɣ ANSWER DOWNLOAD EXAMIANS APP
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