Exam Study Guide - February 2023

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 type of diffuser gives the best oxygen transfer but less efficient mixing?

A. Coarse-bubble

B. Fine-bubble

C. Volcano pressurized

D. Mechanical

ANSWER:  B. Diffusers to provide aeration are common in various wastewater treatment...

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