Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor with clearance volume Decreases with increase in compression ratio In not dependent upon compression ratio Increases with increase in compression ratio May increase/decrease depending on compressor capacity Decreases with increase in compression ratio In not dependent upon compression ratio Increases with increase in 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 5°C increase in atmospheric temperature 0.01 0.05 0.005 0.001 0.01 0.05 0.005 0.001 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines During peak load periods, the best method of controlling compressors is Start-stop motor Constant speed unloader Relief valve Variable speed Start-stop motor Constant speed unloader Relief valve Variable speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines With the decrease in compression ratio, the volumetric efficiency First decrease and then increase Increases Does not change Decreases First decrease and then increase Increases Does not change Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compression ratio in a gas turbine is of the order of 3.5 : 1 0.50069444444444 0.33402777777778 0.20902777777778 3.5 : 1 0.50069444444444 0.33402777777778 0.20902777777778 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The closed cycle in gas turbines Provides greater flexibility Provides lesser flexibility Is used when gas is to be burnt In never used Provides greater flexibility Provides lesser flexibility Is used when gas is to be burnt In never used ANSWER DOWNLOAD EXAMIANS APP
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