MCQOPTIONS
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| 1. |
Sludge volume index is defined as the ratio of |
| A. | Percentage of sludge by volume to percentage of suspended solids by weight |
| B. | Percentage of sludge by volume to percentage of total solids by weight |
| C. | Percentage of suspended solids by weight to percentage of sludge by volume |
| D. | Percentage of total solids by weight to percentage of sludge by volume |
| Answer» B. Percentage of sludge by volume to percentage of total solids by weight | |