Exam (elaborations)
Waste Water Operator Lv 1 Exam Prep Already Graded A+
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In the activated sludge process, some of the activated sludge must be wasted to... A. Prevent excessive solid buildup B. Prevent clogging of the sludge return line C. Prevent overloading of sludge return pumps D. Increase digester gas production A. Prevent excessive solid buildup The best oper...
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