Engineering Board Exam Reviewer · Environmental Engineering · medium
In the Streeter–Phelps model, the DO deficit is affected by:
- Only temperature
- Deoxygenation from BOD decay and reaeration from the atmosphere
- Only the river's width
- Only sunlight
Answer
B. Deoxygenation from BOD decay and reaeration from the atmosphere
Solution
dD/dt = k1L - k2D.
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