PE Environmental Practice Questions - PE Environmental Engineering Exam

Access More Questions

In an activated sludge process, the mixed liquor suspended solids (MLSS) is 2500 mg/L and the return activated sludge (RAS) flow is 40% of the influent flow. What is the approximate solids concentration in the return sludge?

6,250 mg/L 8,500 mg/L 10,000 mg/L 12,500 mg/L

Correct Answer:

8,500 mg/L

Access more questions from this quiz

Continue to PE Environmental Practice Questions - PE Environmental Engineering Exam for more practice questions and the full quiz experience.

Access More Questions