Exam (elaborations)
Wastewater Treatment Operator Certification Test #1 exam 2023 with 100% correct answers
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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 C) 65 to 70% by volume (v.2 pg 158) What will the addition of chlorine gas do to the pH of wastewater? A) Moderately inc...
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