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Which of the following plume is worst for the dispersion of pollutants?

(a) Trapping

(b) Fanning

(c) Neutral

(d) Fumigating

I got this question in an international level competition.

Question is taken from Types of Plumes topic in section Air Pollution of Environmental Engineering

1 Answer

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Best answer
Correct answer is (d) Fumigating

Explanation: In Fumigating plume, the pollutants come down near the ground due to turbulence instead of escaping above the stack. This makes it the most dangerous plume.

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