Compressors, Gas Turbines and Jet Engines The maximum temperature in a gas turbine is 700°C 200°C 500°C 1000°C 700°C 200°C 500°C 1000°C ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio in gas turbines is of the order of 0.37569444444444 0.084027777777778 0.16736111111111 2.5423611111111 0.37569444444444 0.084027777777778 0.16736111111111 2.5423611111111 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
Compressors, Gas Turbines and Jet Engines When air is to be compressed at a high pressure, then it is advantageous to use Multistage compression without intercooling None of these Multistage compression with intercooling Single stage compression Multistage compression without intercooling None of these Multistage compression with intercooling Single stage compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, an increase in speed at a given pressure ratio causes Increase in flow Increase in flow and decrease in efficiency Decrease in flow Increase in efficiency Increase in flow Increase in flow and decrease in efficiency Decrease in flow Increase in efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The clearance volume of the air compressor is kept minimum because It results in minimum work It permits isothermal compression It greatly affects volumetric efficiency It allows maximum compression to be achieved It results in minimum work It permits isothermal compression It greatly affects volumetric efficiency It allows maximum compression to be achieved ANSWER DOWNLOAD EXAMIANS APP
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