Compressors, Gas Turbines and Jet Engines A rocket engine uses __________ for the combustion of its fuel. Its own oxygen None of these Compressed atmospheric air Surrounding air Its own oxygen None of these Compressed atmospheric air Surrounding air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thermodynamic efficiency of rotary compressor is based on Isentropic compression Polytropic compression Adiabatic compression Isothermal compression Isentropic compression Polytropic compression Adiabatic compression Isothermal compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compression ratio in a gas turbine is of the order of 3.5 : 1 0.50069444444444 0.20902777777778 0.33402777777778 3.5 : 1 0.50069444444444 0.20902777777778 0.33402777777778 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet engines, for the efficient production of large power, fuel is burnt in an atmosphere of Vacuum Compressed air Atmospheric air Oxygen alone Vacuum Compressed air Atmospheric air Oxygen alone ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum temperature in a gas turbine is 200°C 500°C 1000°C 700°C 200°C 500°C 1000°C 700°C 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 = p₁/p₂ D₁/D₂ = p₁ p₂ None of these D₁/D₂ = p₂/p₁ D₁/D₂ = p₁/p₂ D₁/D₂ = p₁ p₂ None of these D₁/D₂ = p₂/p₁ ANSWER DOWNLOAD EXAMIANS APP
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