Compressors, Gas Turbines and Jet Engines The volumetric efficiency for reciprocating air compressors is about 70 to 90% 40 to 60% 10 to 40% 60 to 70% 70 to 90% 40 to 60% 10 to 40% 60 to 70% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor, without clearance volume, the work-done is minimum during None of these Isentropic compression Polytropic compression Isothermal compression None of these Isentropic compression Polytropic compression Isothermal compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The mass of gas turbine per kW developed is about ________ as that of an I.C. engine. One sixth One-half Same One fourth One sixth One-half Same One fourth ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet propulsion power unit, the inlet duct of diverging shape is used in order to Beautify the shape Provide robust structure Convert kinetic energy of air into pressure energy Collect more air Beautify the shape Provide robust structure Convert kinetic energy of air into pressure energy Collect more air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A rocket engine uses __________ for the combustion of its fuel. Compressed atmospheric air Its own oxygen Surrounding air None of these Compressed atmospheric air Its own oxygen Surrounding air None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For perfect intercooling in a two stage compressor p₂/p₁ = p₃/p₂ p₁ = p₂ p3 p₁/p₃ = p₂/p₁ p₁ = p3 p₂/p₁ = p₃/p₂ p₁ = p₂ p3 p₁/p₃ = p₂/p₁ p₁ = p3 ANSWER DOWNLOAD EXAMIANS APP
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