Compressors, Gas Turbines and Jet Engines The criterion of the thermodynamic efficiency for rotary compressor is None of the listed here Isothermal compression Isentropic compression Polytropic compression None of the listed here Isothermal compression Isentropic compression Polytropic compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which of the following fuels can be used in turbojet engines? Kerosene Methyl alcohol Liquid hydrogen High speed diesel oil Kerosene Methyl alcohol Liquid hydrogen High speed diesel oil ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The work done per unit mass of air in compression will be least when 'n' is equal to 1.2 1 1.3 1.4 1.2 1 1.3 1.4 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the net work obtained from the gas turbine plant to the turbine work is known as Pressure ratio Work ratio None of these Compression ratio Pressure ratio Work ratio None of these 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 p₂ is the pressure of air leaving the L.P. cylinder (or inter-cooler pressure), then the ratio of cylinder diameters for a single acting, two stage reciprocating air compressor with complete intercooling is given by (where D₁ = Dia. of L.P. cylinder, and D₂ = Dia. of H.P. cylinder) D₁/D₂ = p₂/p₁ D₁/D₂ = p₁ p₂ None of these D₁/D₂ = p₁/p₂ D₁/D₂ = p₂/p₁ D₁/D₂ = p₁ p₂ None of these D₁/D₂ = p₁/p₂ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Air-fuel ratio in a jet engine will be of the order of 0.41736111111111 2.5006944444444 0.62569444444444 0.83402777777778 0.41736111111111 2.5006944444444 0.62569444444444 0.83402777777778 ANSWER DOWNLOAD EXAMIANS APP
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