Engineering Board Exam Reviewer · Environmental Engineering · medium
An aeration tank of 2500 m3 receives 10,000 m3/day of wastewater. What is its hydraulic retention time?
- 4 hours
- 0.25 hours
- 40 hours
- 6 hours
Answer
D. 6 hours
Solution
= V/Q = 2500/10,000 = 0.25 day = 6 hours.
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