When operators are faced with licensing exams, they sometimes struggle with test anxiety because they don’t fully understand how to properly study and prepare for exam questions. Here we take a look at a sample wastewater treatment licensing exam question, how to solve the problem, and the correct answer.Sample Question:While monitoring the activated sludge process on your shift, you notice that a lot foaming is developing on top of the aeration basins — every basin is affected.You also notice that the color of the activated sludge contents has changed to a light brown.Clearly something is wrong. What should you do
Exam Study Guide: Activated Sludge Troubleshooting
Feb 17, 2014
| by Mike Smith |














