Compressors, Gas Turbines and Jet Engines Propulsion efficiency of the following order is obtained in practice 0.5 0.72 0.6 0.34 0.5 0.72 0.6 0.34 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Diffuser in a compressor is used to Convert kinetic energy into pressure energy Make the flow streamline Increase velocity Convert pressure energy into kinetic energy Convert kinetic energy into pressure energy Make the flow streamline Increase velocity Convert pressure energy into kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For perfect intercooling in a two stage compressor p₂/p₁ = p₃/p₂ p₁ = p3 p₁ = p₂ p3 p₁/p₃ = p₂/p₁ p₂/p₁ = p₃/p₂ p₁ = p3 p₁ = p₂ p3 p₁/p₃ = p₂/p₁ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The work-done on a compressor will be minimum if air is taken from A source of low temperature air A source at 0° C A source of high temperature air The atmosphere A source of low temperature air A source at 0° C A source of high temperature air The atmosphere ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines To avoid moisture troubles, the compressed air main line should Rise gradually towards the point of use Drop gradually towards the point of use Be laid vertically Be laid exactly horizontally Rise gradually towards the point of use Drop gradually towards the point of use Be laid vertically Be laid exactly horizontally ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The assumption made in two stage compression with inter-cooler is that There is no pressure drop in the inter-cooler All of the listed here The compression in both the cylinders is polytropic The suction and delivery of air takes place at constant pressure There is no pressure drop in the inter-cooler All of the listed here The compression in both the cylinders is polytropic The suction and delivery of air takes place at constant pressure ANSWER DOWNLOAD EXAMIANS APP