Compressors, Gas Turbines and Jet Engines Open cycle gas turbine works on Ericsson cycle Brayton or Atkinson cycle Rankine cycle Carnot cycle Ericsson cycle Brayton or Atkinson cycle Rankine cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor decreases with ________ in compression ratio. Increase Remain same Decrease Does not change Increase Remain same Decrease Does not change ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The process, which causes the air to enter the impeller blades of a centrifugal compressor at ________ velocity (without effecting the mass of air to flow and velocity of flow) is known as prewhirl. None of these Increased Zero Reduced None of these Increased Zero Reduced ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio First decreases and then increases Decreases First increases and then decreases Increases First decreases and then increases Decreases First increases and then decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The main purpose of reheating in gas turbine is to Reduce turbine size Increase power output Increase temperature Increase speed Reduce turbine size Increase power output Increase temperature Increase speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the indicated power to the shaft power or brake power of the motor or engine required to drive the compressor, is called Compressor efficiency Volumetric efficiency Isothermal efficiency Mechanical efficiency Compressor efficiency Volumetric efficiency Isothermal efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP