Pick out the wrong statement?

Chemical Environmental Engineering 21/06/2020

A. A slight haze at the top of chimney indicates good combustion in the furnace
B. A bag filter incurs very small pressure drop and is very efficient for removal of submicronic
dust particles from flue gases at very high temperature
C. Electrostatic precipitator is the most efficient dust collection equipment for removal of
submicronic dust particles present in flue gas
D. None of these

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