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The loss of head during cleaning operation of a rapid sand filter is __________

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+1 vote
in Environmental Engineering by (81.4k points)
The loss of head during cleaning operation of a rapid sand filter is __________

(a) 15-30cm

(b) 1-5cm

(c) 10-20cm

(d) 10-25cm

I got this question in final exam.

My question comes from Problems in Filter Operation topic in section Filtration of Environmental Engineering

1 Answer

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Best answer
Correct answer is (a) 15-30cm

To elaborate: When cleaned bed is put into operation, the loss of head through it is 15-30cm and it goes on increasing as impurities are arrested in filter media.

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