In slow sland filters, the turbidity of raw water can be removed only up to?

60 mg/litre
75 mg/litre
100 gm/litre
150 mg/litre

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 1

4 views Answered 2022-09-01 13:21

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