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 15 KW 600 KW 150 KW 6000 KW 15 KW 600 KW ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in gas turbine results in Decrease of thermal efficiency Increase of work ratio Both (A) and (B) above Decrease of work ratio Decrease of thermal efficiency Increase of work ratio Both (A) and (B) above Decrease of work ratio 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? Forward curved blades produce lower pressure ratio Forward curved blades has higher efficiency Backward curved blades lead to stable performance Backward curved blades has poor efficiency Forward curved blades produce lower pressure ratio Forward curved blades has higher efficiency Backward curved blades lead to stable performance Backward curved blades has poor efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The capacity of a compressor is 5 m/min refers to Free air Compressed air at delivery pressure Standard air Compressed air Free air Compressed air at delivery pressure Standard air Compressed air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor without clearance volume Decreases with increase in compression ratio Increases with increase in compression ratio Is not dependent upon compression ratio May increase/decrease depending on compressor capacity Decreases with increase in compression ratio Increases with increase in compression ratio Is not dependent upon compression ratio May increase/decrease depending on compressor capacity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor falls roughly as follows for every 100 m increase in elevation 1.0% 0.5% 5% 0.1% 1.0% 0.5% 5% 0.1% ANSWER DOWNLOAD EXAMIANS APP
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