Compressors, Gas Turbines and Jet Engines Gas turbine works on Carnot cycle Ericsson cycle Rankine cycle Brayton or Atkinson cycle Carnot cycle Ericsson cycle Rankine cycle Brayton or Atkinson cycle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The capacity of compressor will be highest when its intake temperature is Anything Lowest Atmospheric Highest Anything Lowest Atmospheric Highest ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines High air-fuel ratio is used in gas turbines To reduce the exit temperature To increase the efficiency To save fuel To increase the output To reduce the exit temperature To increase the efficiency To save fuel To increase the output 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 The compressor efficiency is the Total output/air input Isothermal H.P./shaft H.R Isothermal H.P/indicated H.R Compression work/motor input Total output/air input Isothermal H.P./shaft H.R Isothermal H.P/indicated H.R Compression work/motor input 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 allows maximum compression to be achieved It greatly affects volumetric efficiency It results in minimum work It permits isothermal compression It allows maximum compression to be achieved It greatly affects volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
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