Wastewater Class B Texas Study Guide Questions And Correct Answers

This treatment device is commonly used to separate and remove large solids from raw wastewater {Ans: A Mechanically raked bar screen}In the activated sludge system if the operator observed uneven surface aeration, dead spots or inadequate mixing in some areas, the operator would suspect {Ans: Plugged diffusers}___________would have an adverse effect on the proper settling of solids in a clarifier. {Ans: A short circuiting flow pattern}Wastewater Stabilization Ponds work through a complex process which includes {Ans: Sunlight, Oxygen, Nutrients, Algae, and Bacteria}A simple method for indicating when to waste sludge is {Ans: 30 minute settling test}In the activated sludge process, no sludge process will work properly without {Ans: Regular removal of excess solids}