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In which type of filter, water flows in upward direction?

(a) Slow sand filter

(b) Rapid sand filter

(c) Pressure filter

(d) Up flow filter

I had been asked this question in homework.

The origin of the question is Various Other Filters in chapter Filtration of Environmental Engineering

1 Answer

+2 votes
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Best answer
Right option is (d) Up flow filter

Best explanation: Up flow filter is a rectangular or round shape filter in which water flows in upward direction.

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