Engineering Board Exam Reviewer · Environmental Engineering · medium
A sedimentation tank 30 m long and 10 m wide treats 0.25 m3/s. What is its surface overflow rate?
- 0.00083 m3/m2· day
- 72 m3/m2· day
- 18 m3/m2· day
- 180 m3/m2· day
Answer
B. 72 m3/m2· day
Solution
OFR = Q/As = (0.25 × 86,400)/(30 × 10) = 72 m3/m2· day.
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