Compressors, Gas Turbines and Jet Engines In a closed cycle gas turbine, the air is compressed Polytropically Isentropically None of these Isothermally Polytropically Isentropically None of these Isothermally 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 following property is most important for material used for gas turbine blade Toughness Fatigue Corrosion resistance Creep Toughness Fatigue Corrosion resistance Creep ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Water gas is produced by Carbonisation of coal Passing air and a large amount of steam over waste coal at about 65°C Partial combustion of coal, eke, anthracite coal or charcoal in a mixed air steam blast Passing steam over incandescent coke Carbonisation of coal Passing air and a large amount of steam over waste coal at about 65°C Partial combustion of coal, eke, anthracite coal or charcoal in a mixed air steam blast Passing steam over incandescent coke ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines After-cooler is used to Decrease the delivery temperature for ease in handling Cool the air Cause moisture and oil vapour to drop out Reduce volume Decrease the delivery temperature for ease in handling Cool the air Cause moisture and oil vapour to drop out Reduce volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The indicated work per unit mass of air delivered is Greatly affected by clearance volume Not affected by clearance volume Inversely proportional to clearance volume Directly proportional to clearance volume Greatly affected by clearance volume Not affected by clearance volume Inversely proportional to clearance volume Directly proportional to clearance volume ANSWER DOWNLOAD EXAMIANS APP
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