MCQOPTIONS
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MCQOPTIONS
| 1. |
The rate of filtration in slow sand filter is ___________ |
| A. | 100 to 150 lit/hr/m<sup>2</sup> |
| B. | 150 to 200 lit/hr/m<sup>2</sup> |
| C. | 250 to 350 lit/hr/m<sup>2</sup> |
| D. | 100 to 200 lit/hr/m<sup>2</sup> |
| Answer» E. | |