+1 vote
in Environmental Engineering by (81.4k points)
The up flow filter is used in domestic water supply.

(a) True

(b) False

This question was addressed to me in my homework.

This intriguing question comes from Various Other Filters topic in chapter Filtration of Environmental Engineering

1 Answer

+2 votes
by (693k points)
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Best answer
Right answer is (b) False

Explanation: The up-flow filter is not used in domestic water supply because sudden variation in pressure breaks the sand bridge and cause the bed to expand.

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