Compressors, Gas Turbines and Jet Engines The following property is most important for material used for gas turbine blade Corrosion resistance Toughness Fatigue Creep Corrosion resistance Toughness Fatigue Creep ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Separators are generally used in air compressor installations Before first stage suction Before the inter-cooler Between the after-cooler and receiver After the inter-cooler Before first stage suction Before the inter-cooler Between the after-cooler and receiver After the inter-cooler ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For maximum work, the reheating should be done to an intermediate pressure of (Where p₁ = Maximum pressure, and p₂ = Minimum pressure) (p₁ + p₂)/2 p₁/p₂ (p₁ - p₂)/2 p₁ p₂ (p₁ + p₂)/2 p₁/p₂ (p₁ - p₂)/2 p₁ p₂ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of fluid, and suffix ‘I’ and ‘o’ stand for entry and exit conditions, then in a rotary machine whose degree of reaction is unity Vt > Vo U < Vo Vi = Vo V = Uo Vt > Vo U < Vo Vi = Vo V = Uo ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum work is done in compressing air when the compression is Adiabatic Polytropic None of these Isothermal Adiabatic Polytropic None of these Isothermal ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of 0.75 0.85 0.9 0.99 0.75 0.85 0.9 0.99 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS