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 Indicator Organisms; and Iron Contamination. This time, you can test your knowledge about the purpose of screens, and different forms of iron.
Wastewater Treatment Sample Question
What is the purpose of using screens, grit chambers or comminuters for preliminary treatment in a water resource recovery facility?
A. EPA regulations regarding debris classificationB. Debris reuse and recyclingC. Protect equipment downstreamD. Protect collection system flow measurement devices
Answer: Raw wastewater contains many things such as
Exam Study Guide: Screen Usage; and Different Forms of Iron
Maintaining your education is important, especially in a career that demands licensing exams. Prove you’re an expert operator by answering these questions and others from our Exam Study Guide Series.
Oct 04, 2018
| by Rick Lallish and Drew Hoelscher |














