Compressors, Gas Turbines and Jet Engines The work-done on a compressor will be minimum if air is taken from A source at 0° C A source of low temperature air A source of high temperature air The atmosphere A source at 0° C A source of low temperature air A source of high temperature air The atmosphere ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines High air-fuel ratio is used in gas turbines To save fuel To increase the efficiency To reduce the exit temperature To increase the output To save fuel To increase the efficiency To reduce the exit temperature To increase the output ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thermodynamic efficiency of rotary compressor is based on Isentropic compression Adiabatic compression Polytropic compression Isothermal compression Isentropic compression Adiabatic compression Polytropic compression Isothermal compression 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 greatly affects volumetric efficiency It permits isothermal compression It allows maximum compression to be achieved It results in minimum work It greatly affects volumetric efficiency It permits isothermal compression It allows maximum compression to be achieved ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The work ratio of a gas turbine plant is defined as the ratio of Actual heat drop and isentropic heat drop Net work output and work done by turbine Net work output and heat supplied Net work output and isentropic heat drop Actual heat drop and isentropic heat drop Net work output and work done by turbine Net work output and heat supplied Net work output and isentropic heat drop ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thrust on the rotor in a centrifugal compressor is produced by Axial component None of these Radial component Tangential component Axial component None of these Radial component Tangential component ANSWER DOWNLOAD EXAMIANS APP