MCQOPTIONS
Saved Bookmarks
| 1. |
The rate of filtration of a slow sand filter ranges from |
| A. | 10 to 100 L/h/m2 |
| B. | 100 to 200 L/h/m2 |
| C. | 200 to 400 L/h/m2 |
| D. | 400 to 1000 L/h/m2 |
| Answer» C. 200 to 400 L/h/m2 | |