Computer · Sewage Treatment
The standard Biochemical Oxygen Demand (B.O.D.) of wastewater is typically determined at 20°C for a incubation period of:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 15 days✓
- 23 days
- 32 days
- 41 day
Correct answer
5 days
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