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