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The thickness of Anthracite used in dual media filter is __________

(a) 10-20cm

(b) 20-30cm

(c) 30-40cm

(d) 40-50cm

I got this question in my homework.

I'm obligated to ask this question of Dual Media and Mixed Media Filter topic in section Filtration of Environmental Engineering

1 Answer

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Best answer
The correct choice is (c) 30-40cm

The explanation is: Anthracite is used as a top layer in dual media filter having a thickness of 30-40cm.

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