Compressors, Gas Turbines and Jet Engines The criterion of the thermodynamic efficiency for rotary compressor is None of the listed here Polytropic compression Isentropic compression Isothermal compression None of the listed here Polytropic compression Isentropic compression Isothermal compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines When air is to be compressed at a high pressure, then it is advantageous to use None of these Multistage compression without intercooling Multistage compression with intercooling Single stage compression None of these Multistage compression without intercooling Multistage compression with intercooling Single stage compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor falls roughly as follows for every 100 m increase in elevation 5% 0.5% 0.1% 1.0% 5% 0.5% 0.1% 1.0% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency is Reciprocal of compression ratio Index of compressor performance The ratio of stroke volume to clearance volume The ratio of the air actually delivered to the amount of piston displacement Reciprocal of compression ratio Index of compressor performance The ratio of stroke volume to clearance volume The ratio of the air actually delivered to the amount of piston displacement ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The gas in cooling chamber of a closed cycle gas turbine is cooled at Constant temperature Constant volume Constant pressure None of the listed here Constant temperature Constant volume Constant pressure None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For perfect intercooling in a three stage compressor p₁ p₃ = p₂ p₄ p₁ p₂ = p₃ p₄ p₂/p₁ = p₃/p₂ = p₄/p₃ p₃/p₁ = p₄/p₂ p₁ p₃ = p₂ p₄ p₁ p₂ = p₃ p₄ p₂/p₁ = p₃/p₂ = p₄/p₃ p₃/p₁ = p₄/p₂ ANSWER DOWNLOAD EXAMIANS APP
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