Exam Study Guide - November 2022

Licensing exams can be challenging. Our Exam Study Guide helps you prepare by presenting questions similar to those on an actual exam. You can find many more sample questions on the TPO website at www.tpomag.com/study.


By Rick Lallish

What is the main cause of rising sludge in an activated sludge secondary clarifier?

A. Toxic shock load

B. Denitrification

C. Nitrification

D. High F/M level

ANSWER: B. Rising sludge is common in secondary clarifiers and normally is caused...

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