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Wastewater_Treatment_Operator_Advanced_Certification_Test_Two_Final.pdf

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2026/2027

Institution Wastewater Treatment

Course Wastewater treatment

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Wastewater_Treatment_Operator_Advanced_Certification_Test_Two_F

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WASTEWATER TREATMENT OPERATOR
ADVANCED TEST UPDATED ACTUAL
EXAM QUESTIONS CORRECT ANSWERS

⩥ composite sample. Answer: sample combined from multiple grab
samples

⩥ grab sample. Answer: 1 sample representative of current conditions

⩥ Dissolved Oxygeb. Answer: measure of the amount of oxygen
dissolved in water (mg/l)

⩥ effluent. Answer: treated water discharged from a treatment plant

⩥ eutrophication. Answer: excissive growth of plant/algae in receiving
waters due to dissolved nutrients and their decomposition

⩥ flume. Answer: restriction in open channel used to measure flow

, ⩥ food to mixroorganism ratio. Answer: amount of BOD provided to the
MLVSS or MLSS

⩥ Hydraulic Rentention Time. Answer: period of time that wastewater
stays in tank

⩥ influent. Answer: raw wastewater entering treatment process

⩥ pH. Answer: measure of the acidity or alkalinity of a sample

⩥ septage. Answer: high strength waste pumped out of sptic tanks

⩥ sludge age. Answer: MLSS divided by WAS

⩥ weir. Answer: level control structure used to provide uniform flow

⩥ combined sewer. Answer: pipes that carry both wastewater and
stormwater

⩥ Inflow and Infiltration. Answer: any unwanted Clearwater that leaks
unto collection system

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Uploaded on: October 6, 2026
Number of pages: 10
Written in: 2026/2027
Type: Exam (elaborations)
Contains: Questions & answers

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