Wastewater Exam Class C
20 Multiple choice questions Term The Correct operational response to a gently settling sludge which stays in the bottom two feet of the clarifier and produces a clear final effluent is to Increase return sludge flow rate Decrease return sludge flow rate Increase sludge wasting Decrease sludge wasting continue with past operating practices. 1 of 20 Term Primary clarifiers can have a higher surface loading rate than secondary clarifiers because The 0" reading is at the bottom of the v-notch Measure liquid levels and trigger pump controls Evenly wear pumps so they are ready for use. The particles are heavier so they settle faster
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