Compressors, Gas Turbines and Jet Engines In turbo fan engine, the jet velocity as compared to turbojet engine is Same More Less May be less or more depending upon speed Same More Less May be less or more depending upon speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor without clearance volume May increase/decrease depending on compressor capacity Is not dependent upon compression ratio Increases with increase in compression ratio Decreases with increase in compression ratio May increase/decrease depending on compressor capacity Is not dependent upon compression ratio Increases with increase in compression ratio Decreases with increase in compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If the flow of air through the compressor is perpendicular to its axis, then it is a Centrifugal compressor Reciprocating compressor Axial flow compressor Turbo compressor Centrifugal compressor Reciprocating compressor Axial flow compressor Turbo compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Work ratio of a gas turbine may be improved by Increasing the turbine work Increasing the compression work Decreasing the compression work Both (A) and (C) above Increasing the turbine work Increasing the compression work Decreasing the compression work Both (A) and (C) above ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Phenomenon of choking in compressor means Reducing mass flow rate with increase in pressure ratio No flow of air Increased inclination of chord with air steam Fixed mass flow rate regardless of pressure ratio Reducing mass flow rate with increase in pressure ratio No flow of air Increased inclination of chord with air steam Fixed mass flow rate regardless of pressure ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure and temperature conditions of air at the suction of compressor are Pressure slightly less than atmospheric and temperature slightly more than atmospheric Slightly more than atmospheric Atmospheric Slightly less than atmospheric Pressure slightly less than atmospheric and temperature slightly more than atmospheric Slightly more than atmospheric Atmospheric Slightly less than atmospheric ANSWER DOWNLOAD EXAMIANS APP