Compressors, Gas Turbines and Jet Engines Maximum temperature in a gas turbine is of the order of 2000°C 700°C 1500°C 1000°C 2000°C 700°C 1500°C 1000°C ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An air compressor may be controlled by Throttle control Blow off control Clearance control Any one of the above Throttle control Blow off control Clearance control Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine works on Carnot cycle Brayton or Atkinson cycle Ericsson cycle Rankine cycle Carnot cycle Brayton or Atkinson cycle Ericsson cycle Rankine cycle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency, even when running at high speed, can be approached by using Cold water spray Both (A) and (B) above Multistage compression Fully insulating the cylinder Cold water spray Both (A) and (B) above Multistage compression Fully insulating the cylinder 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 - r ɣ-1 r ɣ-1 1 - (1/r) ɣ-1/ɣ 1 - (1/r) ɣ/ɣ-1 1 - r ɣ-1 r ɣ-1 1 - (1/r) ɣ-1/ɣ 1 - (1/r) ɣ/ɣ-1 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter-cooling in gas turbine results in Increase in both thermal efficiency and net output Increase in net output but decrease in thermal efficiency Decrease in both thermal efficiency and net output Increase in thermal efficiency but decrease in net output Increase in both thermal efficiency and net output Increase in net output but decrease in thermal efficiency Decrease in both thermal efficiency and net output Increase in thermal efficiency but decrease in net output ANSWER DOWNLOAD EXAMIANS APP
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