Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor decreases with ________ in compression ratio. Decrease Remain same Increase Does not change Decrease Remain same Increase Does not change ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The output of a gas turbine is 300 KW and its efficiency is 20 percent, the heat supplied is 150 KW 6000 KW 600 KW 15 KW 150 KW 6000 KW 600 KW 15 KW ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a high pressure compressor, the delivery pressure is 10 to 15 bar 8 to 10 bar 1 to 5 bar 5 to 8 bar 10 to 15 bar 8 to 10 bar 1 to 5 bar 5 to 8 bar ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which one of the following is the effect of blade shape on performance of a centrifugal compressor? Backward curved blades lead to stable performance Forward curved blades produce lower pressure ratio Forward curved blades has higher efficiency Backward curved blades has poor efficiency Backward curved blades lead to stable performance Forward curved blades produce lower pressure ratio Forward curved blades has higher efficiency Backward curved blades has poor efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Open cycle gas turbine works on Carnot cycle Ericsson cycle Brayton or Atkinson cycle Rankine cycle Carnot cycle Ericsson cycle Brayton or Atkinson cycle Rankine cycle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A turboprop is preferred to turbojet because It has high power for take off It can fly at high elevations It can fly at supersonic speeds It has high propulsive efficiency at high speeds It has high power for take off It can fly at high elevations It can fly at supersonic speeds It has high propulsive efficiency at high speeds ANSWER DOWNLOAD EXAMIANS APP