Exam Study Guide - December 2021

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

When conducting a sludge settleometer test, what does the first 5 minutes of the test indicate?

A. Presence of filaments

B. Particle collision rate

C. Presence of zoogloeal matter

D. No useful indication

Answer: D. The settled sludge volume after 5...

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