Wastewater Collection Exit Exam || A+ Graded Already.

What is the average per day per person put into the wastewater collection system correct answers 100 what percent of wastewater is water correct answers 99.9% anaerobic bacteria can live correct answers in the absence of oxygen what is the average pounds BOD per person per day put into the collection system correct answers .17 when an accidental discharge occurs, the entity responsible for that system has to report the discharge to the TCEQ within correct answers 24 hours before a system can start a new construction project in Texas, they are required to have approval of plans by correct answers TCEQ every city with a population more than____ shall establish a water pollution control program correct answers 10,000 What is the recommended velocity for gravity sewer correct answers 3-5 ft/sec the pipe that carries the wastewater to the treatment plant is called the correct answers outfall line an invert siphon would be used to correct answers carry sewer under a stream shoring, sloping or a trench box are required if an excavation is deeper than___feet correct answers 5 feet how deep should the bedding be under a 16 inch pipe correct answers 6 inches recommended horizontal and vertical distance between water and wastewater lines is ___feet correct answers 9 the two types of lift stations are ____ and _____ correct answers wet well/ dry well electric motors should be protected from correct answers water, dust and overload an example of open channel flow measurement would be a correct answers flume the primary cause of sewer stoppages is ___ correct answers roots and grease the pipe rehabilitation process that involves pulling a PVC line through an existing pipe is called correct answers slip lining groundwater that leaks into the collection system us called___ correct answers infiltration