WASTEWATER
By Rick Lallish
What part of a gravity belt thickener clears a path on the belt where the water falls freely through the...
Entries Tagged Study Guide
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Exam Study Guide: Secondary Clarifier Denitrification and New Groundwater Sources
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...
Online Exclusives
Exam Study Guide: Settleometer Tests and Public Notification Requirements
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...
Editorial
Exam Study Guide - September 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...
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Exam Study Guide: Rotifers in Activated Sludge Systems and Arsenic Regulations
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...
Editorial
Exam Study Guide - August 2021
WASTEWATER
By Rick Lallish
(This is a corrected version of the question that appeared in this space in last month’s edition.)
The MPN method for fecal...
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Exam Study Guide: Types of Pumps and Chemical Reactions
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...
Online Exclusives
Exam Study Guide: Wastewater Terminology and Filtration Rate Calculations
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...
Editorial
Exam Study Guide - July 2021
WASTEWATER
By Rick Lallish
The MPN method for fecal coliform testing has become one the most common methods for testing. What is a disadvantage...
Online Exclusives
Exam Study Guide: Gravity Belt Thickener Components and Types of Flowmeters
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...
Online Exclusives
Exam Study Guide: Dewatering Polymer Selection and Granular Activated Carbon Filter Backwash Rate
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...
Editorial
Exam Study Guide - June 2021
WASTEWATER
By Rick Lallish
Even though there are many ways to determine wasting amounts, what is the main purpose of wasting?
A. Maintain acceptable sludge...
Editorial
Exam Study Guide - May 2021
WASTEWATER
By Rick Lallish
When connecting a pump and a motor, what are the two types of misalignment?
A. Polarity and conduction
B. Linear and polar
C. Parallel...
Online Exclusives
Exam Study Guide: MPN Testing and Water Distribution System Layout
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...






