Compressors, Gas Turbines and Jet Engines In gas turbines, high thermal efficiency is obtained in Closed cycle & Open cycle Closed/open depending on other considerations Open cycle Closed cycle Closed cycle & Open cycle Closed/open depending on other considerations Open cycle Closed cycle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The degree of reaction in an axial flow compressor is defined as the ratio of static enthalpy rise in the Stator to static enthalpy rise in the rotor Rotor to static enthalpy rise in the stator Stator to static enthalpy rise in the stage Rotor to static enthalpy rise in the stage Stator to static enthalpy rise in the rotor Rotor to static enthalpy rise in the stator Stator to static enthalpy rise in the stage Rotor to static enthalpy rise in the stage ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio) 1 - (1/r) ɣ/ɣ-1 r ɣ-1 1 - r ɣ-1 1 - (1/r) ɣ-1/ɣ 1 - (1/r) ɣ/ɣ-1 r ɣ-1 1 - r ɣ-1 1 - (1/r) ɣ-1/ɣ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines To avoid moisture troubles, the compressed air main line should Rise gradually towards the point of use Be laid vertically Drop gradually towards the point of use Be laid exactly horizontally Rise gradually towards the point of use Be laid vertically Drop gradually towards the point of use Be laid exactly horizontally ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volume of air delivered by the compressor is called Swept volume None of the listed here Compressor capacity Free air delivery Swept volume None of the listed here Compressor capacity Free air delivery ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A centrifugal compressor works on the principle of Centripetal action Generating pressure directly Conversion of kinetic energy into pressure energy Conversion of pressure energy into kinetic energy Centripetal action Generating pressure directly Conversion of kinetic energy into pressure energy Conversion of pressure energy into kinetic energy ANSWER DOWNLOAD EXAMIANS APP