Welcome back to TPO magazine's Exam Study Guide Series, which offers a pair of water/wastewater study questions with in-depth explanations of the answers. Last time, we covered a set of wastewater and drinking water treatment questions on the topics of The Settleable Solids Test; and Confined Spaces. This time you can test your knowledge about activated sludge process variables, and distribution system piping.
Wastewater Treatment Sample Question
Typically, activated sludge processes maintain their operating parameters. What two variables impact the performance process and must be monitored?
A. Temperature and HumidityB. Upstream and Downstream processesC. Federal guidelines and State regulationsD. Time and Operating capability
Water Treatment Sample Question
Replacing old piping in the distribution system
