Compressors, Gas Turbines and Jet Engines The air-fuel ratio in gas turbines is of the order of 15: 1 30: 1 7: 1 50: 1. 15: 1 30: 1 7: 1 50: 1. ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The stagnation pressure rise in a centrifugal compressor takes place In the inlet guide vanes only In the diffuser only In the impeller only In the diffuser and impeller In the inlet guide vanes only In the diffuser only In the impeller only In the diffuser and impeller ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about advantages of multistage compressor in comparison to single stage compressor? Lower volumetric efficiency Less loss of air due to leakage past the cylinder Less power requirement Better mechanical balance Lower volumetric efficiency Less loss of air due to leakage past the cylinder Less power requirement Better mechanical balance ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Water gas is produced by Passing steam over incandescent coke Partial combustion of coal, eke, anthracite coal or charcoal in a mixed air steam blast Carbonisation of coal Passing air and a large amount of steam over waste coal at about 65°C Passing steam over incandescent coke Partial combustion of coal, eke, anthracite coal or charcoal in a mixed air steam blast Carbonisation of coal Passing air and a large amount of steam over waste coal at about 65°C ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The following property is most important for material used for gas turbine blade Fatigue Corrosion resistance Creep Toughness Fatigue Corrosion resistance Creep Toughness ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For perfect intercooling in a three stage compressor p₁ p₂ = p₃ p₄ p₂/p₁ = p₃/p₂ = p₄/p₃ p₁ p₃ = p₂ p₄ p₃/p₁ = p₄/p₂ p₁ p₂ = p₃ p₄ p₂/p₁ = p₃/p₂ = p₄/p₃ p₁ p₃ = p₂ p₄ p₃/p₁ = p₄/p₂ ANSWER DOWNLOAD EXAMIANS APP
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