Question 9024 of 234 · California Wastewater Operator Exam
The 30-minute settled volume is 280 mL/L and the MLSS is 2,800 mg/L. What is the sludge volume index?
Exactly one answer is correct.
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Correct answer to question 9024
- B: 100 mL/g
Explanation
SVI = settled volume (mL/L) x 1,000 / MLSS (mg/L) = 280 x 1,000 / 2,800 = 100 mL/g. Omitting the 1,000 gives 0.10.
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