Compressors, Gas Turbines and Jet Engines A compressor mostly used for supercharging of I.C. engines is Radial flow compressor Axial flow compressor Roots blower Reciprocating compressor Radial flow compressor Axial flow compressor Roots blower Reciprocating compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In gas turbines, high thermal efficiency is obtained in Closed cycle & Open cycle Open cycle Closed cycle Closed/open depending on other considerations Closed cycle & Open cycle Open cycle Closed cycle Closed/open depending on other considerations ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine works on Ericsson cycle Rankine cycle Carnot cycle Brayton or Atkinson cycle Ericsson cycle Rankine cycle Carnot cycle Brayton or Atkinson cycle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of roots blower ________ with the increase in pressure ratio. Does not change None of these Increases Decreases Does not change None of these Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency for reciprocating air compressors is about 70 to 90% 10 to 40% 60 to 70% 40 to 60% 70 to 90% 10 to 40% 60 to 70% 40 to 60% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall efficiency of the compressed air system is the Ratio of shaft output of the air motor to the shaft input to the compressor Ratio of shaft input to the compressor to the shaft output of air motor None of these Product of shaft output of air motor and shaft input to the compressor Ratio of shaft output of the air motor to the shaft input to the compressor Ratio of shaft input to the compressor to the shaft output of air motor None of these Product of shaft output of air motor and shaft input to the compressor ANSWER DOWNLOAD EXAMIANS APP