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 Lift Station Location and Aqueous Solution Freezing Temp. This time you can test your knowledge about rising sludge causes and Right-to-Know programs.
Wastewater Treatment Sample QuestionWhat is the main cause of rising sludge in an activated sludge secondary clarifier?
A. Toxic shock loadB. DenitrificationC. Nitrification D. High F/M levels
Water Treatment Sample Question
What is the primary purpose of a Right-to-Know program?
A. To train employees on their required daily tasks before assigning such tasks.B. To advise
Exam Study Guide: Rising Sludge Causes and Right-to-Know Programs
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.
May 05, 2022
| by Rick Lallish and Drew Hoelscher |













