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1. |
Calculate the breadth of the rapid sand filter for the following details.Flow: 500 m3/h.Velocity: 5 m/hBackwash time: 20 mins |
A. | 4.5 m |
B. | 5.7 m |
C. | 3.7 m |
D. | 7.5 m |
Answer» D. 7.5 m | |