Calculate the area of the rapid sand filter for the following details – McqOptions

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1.	Calculate the area of the rapid sand filter for the following details.Flow: 2000 m3/h.Velocity: 5m/hBackwash time: 30 mins
A.	18 m2
B.	20 m2
C.	22 m2
D.	16 m2
Answer» B. 20 m2

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