Compressors, Gas Turbines and Jet Engines The most efficient method of compressing air is to compress it Isentropically Adiabatically Isochronically Isothermally Isentropically Adiabatically Isochronically Isothermally ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency is Reciprocal of compression ratio The ratio of the air actually delivered to the amount of piston displacement Index of compressor performance The ratio of stroke volume to clearance volume Reciprocal of compression ratio The ratio of the air actually delivered to the amount of piston displacement Index of compressor performance The ratio of stroke volume to clearance volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For perfect intercooling in a three stage compressor p₂/p₁ = p₃/p₂ = p₄/p₃ p₃/p₁ = p₄/p₂ p₁ p₂ = p₃ p₄ p₁ p₃ = p₂ p₄ p₂/p₁ = p₃/p₂ = p₄/p₃ p₃/p₁ = p₄/p₂ p₁ p₂ = p₃ p₄ p₁ p₃ = p₂ p₄ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Propulsion efficiency of the following order is obtained in practice 0.6 0.5 0.34 0.72 0.6 0.5 0.34 0.72 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Diffuser in a compressor is used to Convert kinetic energy into pressure energy Convert pressure energy into kinetic energy Make the flow streamline Increase velocity Convert kinetic energy into pressure energy Convert pressure energy into kinetic energy Make the flow streamline Increase velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a compressor, free air delivered is the actual volume delivered at the stated pressure reduced to Intake temperature and pressure conditions N.T.P. conditions 20°C and 1 kg/cm² 0°C and 1 kg/cm² Intake temperature and pressure conditions N.T.P. conditions 20°C and 1 kg/cm² 0°C and 1 kg/cm² ANSWER DOWNLOAD EXAMIANS APP