Water filtration rate in a slow sand filter ranges from __________ litres/m²/hr.?

10 to 20
100 to 200
1500 to 2500
4000 to 5000

LohaHridoy

5 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 2

5 views Answered 2022-09-01 13:21

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