Compressors, Gas Turbines and Jet Engines Work ratio of a gas turbine plant is ratio of Net work output and heat supplied Work done by turbine and heat supplied Net work output and work done by turbine Work done by turbine and net work output Net work output and heat supplied Work done by turbine and heat supplied Net work output and work done by turbine Work done by turbine and net work output ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines High air-fuel ratio is used in gas turbines To reduce the exit temperature To save fuel To increase the efficiency To increase the output To reduce the exit temperature To save fuel To increase the efficiency To increase the output ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines When the outlet angle from the rotor of a centrifugal compressor is more than 90°, then the blades are said to be None of the listed here Forward curved Radial Backward curved None of the listed here Forward curved Radial Backward curved ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio Decreases Increases First increases and then decreases Remain same Decreases Increases First increases and then decreases Remain same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An after-cooler is used to Reduce volume of air Cool the air Remove impurities from air Cause moisture and oil vapour to drop out Reduce volume of air Cool the air Remove impurities from air Cause moisture and oil vapour to drop out ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of air compressors is of the order of 20 - 30% 60 - 70% 70 - 90% 40 - 50% 20 - 30% 60 - 70% 70 - 90% 40 - 50% ANSWER DOWNLOAD EXAMIANS APP
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