Compressors, Gas Turbines and Jet Engines Compression efficiency is compared against Adiabatic compression Isothermal compression Ideal compression Isentropic compression Adiabatic compression Isothermal compression Ideal compression Isentropic compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The mass of gas turbine per kW developed is about ________ as that of an I.C. engine. One-half Same One sixth One fourth One-half Same One sixth One fourth 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
Compressors, Gas Turbines and Jet Engines Adiabatic compression is one in which Work done is maximum No heat leaves or enters the compressor cylinder during compression Temperature during compression remains constant Temperature rise follows a linear relationship Work done is maximum No heat leaves or enters the compressor cylinder during compression Temperature during compression remains constant Temperature rise follows a linear relationship ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For a two stage compressor, if index of compression for higher stage is greater than index of compression for lower stage, then the optimum pressure as compared to ideal case will Remain unaffected Other factors control it Increase Decrease Remain unaffected Other factors control it Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet engines the products of combustion after passing through the gas turbine are discharged into Atmosphere Vacuum Discharge nozzle Back to the compressor Atmosphere Vacuum Discharge nozzle Back to the compressor ANSWER DOWNLOAD EXAMIANS APP