Compressors, Gas Turbines and Jet Engines A centrifugal compressor works on the principle of Conversion of pressure energy into kinetic energy Generating pressure directly Conversion of kinetic energy into pressure energy Centripetal action Conversion of pressure energy into kinetic energy Generating pressure directly Conversion of kinetic energy into pressure energy Centripetal action ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working substance is expanded in Exit nozzle, which is essentially an isentropic process Turbine blades, which is essentially an isentropic process Turbine blades, which is a constant volume process Exit nozzle, which is a constant volume process Exit nozzle, which is essentially an isentropic process Turbine blades, which is essentially an isentropic process Turbine blades, which is a constant volume process Exit nozzle, which is a constant volume process ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The propulsive power of the rocket is (where v₁ = Jet velocity, and v₂ = Aircraft velocity) (v₁² -v₂²)/2g (v₁ - v₂)²/g (v₁² -v₂²)/g (v₁ - v₂)²/2g (v₁² -v₂²)/2g (v₁ - v₂)²/g (v₁² -v₂²)/g (v₁ - v₂)²/2g ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In gas turbines, high thermal efficiency is obtained in Closed/open depending on other considerations Closed cycle Open cycle Closed cycle & Open cycle Closed/open depending on other considerations Closed cycle Open cycle Closed cycle & Open cycle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum combustion pressure in gas turbine as compared to I.C. engine is Less Same More Depends on other factors Less Same More Depends on other factors ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The clearance volume of the air compressor is kept minimum because 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 It results in minimum work It greatly affects volumetric efficiency It permits isothermal compression ANSWER DOWNLOAD EXAMIANS APP