Wastewater Operator question and answers 2023 verified

Wastewater Operator question and answers 2023 verifiedBiochemical Oxygen Demand - correct answer organic strength measured by amount of oxygen consumed over time composite sample - correct answer sample combined from multiple grab samples grab sample - correct answer 1 sample representative of current conditions Dissolved Oxygeb - correct answer measure of the amount of oxygen dissolved in water (mg/l) effluent - correct answer treated water discharged from a treatment plant eutrophication - correct answer excissive growth of plant/algae in receiving waters due to dissolved nutrients and their decomposition flume - correct answer restriction in open channel used to measure flow food to mixroorganism ratio - correct answer amount of BOD provided to the MLVSS or MLSS Hydraulic Rentention Time - correct answer period of time that wastewater stays in tank influent - correct answer raw wastewater entering treatment process pH - correct answer measure of the acidity or alkalinity of a sample