Examen
Wastewater Treatment Operator Certification Test #1 latest update 2023/2024
- Grado
- Institución
What is the methane content in a properly operation anaerobic digester? A) 30 to 35% by volume B) 1 to 2% by volume C) 65 to 70% by volume D) 15 to 20% by volume Correct Answer: C) 65 to 70% by volume (v.2 pg 158) What will the addition of chlorine gas do to the pH of wastewater? A) M...
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