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The minimum size of the smoke particle is ___________

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+1 vote
in Environmental Engineering by (81.4k points)
The minimum size of the smoke particle is ___________

(a) 0.2μm

(b) 1μm

(c) 0.8μm

(d) 0.5μm

I have been asked this question in a national level competition.

My enquiry is from Air Pollutants topic in division Air Pollution of Environmental Engineering

1 Answer

+2 votes
by (693k points)
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Best answer
Correct choice is (d) 0.5μm

To explain I would say: Smoke is produced due to incomplete combustion of coal. Its size lies between 0.5μm to 1μm.

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