ObjectiveMcq
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What is the minimum percentage of solids in waste water?
Correct Answer: D — 40 %
The organic matter consists mainly of proteins, carbohydrates and fats. Between 40 and 65 % of the solids in an average waste water are suspended. Usually, about 60 % of the suspended solids in a municipal waste water are 2 settleable (Ron & George, 1998).