Certification Exam Prep

Feb
09

Wastewater Collection | Methods of Conveyance

Learn about Wastewater Collection System Methods of Conveyance in this video, taken from our collection system exam review course.   In this videos we look at the three methods of conveyance: Gravity Collection Systems, Low Pressure Collection Systems, and Vacuum Collection Systems. We also learn about the three types of waste collections systems: Sanitary Sewer Systems, Storm Water Systems, and Combined […]

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Feb
07

Water Distribution | Hydrant Installation and Types of Fire Hydrants

Learn about Fire Hydrants in this excerpt from the Distribution System Exam Review course.     In this video we look at the guidelines for fire hydrant installation, and the four basics types of fire hydrants. These types include:  Dry-Barrel Hydrants, Wet-Barrel Hydrants, Warm-Climate Hydrants, and Flush Hydrants. For more videos like this, check out […]

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Feb
06

Water Treatment | Chemical Feed Equipment and Flash Mixing

Learn about Chemical Feed Equipment and Flash Mixing in this excerpt from our Water Treatment Exam Review course.     Types of Chemical Feed Pumps covered in this videos include: Solution Feeders Diaphragm Pump Peristaltic Pump   Types of Mixers covered in this videos include: Rapid-Mix (Flash Mixing) Facilities Mechanical Mixers Single Blade Mechanical Mixer […]

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Feb
03

Water Distribution Math | Chlorine Demand

Learn how to calculate Chlorine Demand in this video. This is an example of our Five Step Process to solving math problems.     If you are preparing for a certification exam, you may be interested in our FREE Exam Tips or in signing up for one of our Exam Prep courses. We are here to help you achieve your […]

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Feb
01

Wastewater Treatment | Grit Removal

Learn about Grit Removal in this excerpt from our Wastewater Exam Review course.     We start by looking at What Grit is, and then the Reasons for grit removal. The different types of grit chambers included in this videos are: Manually cleaned, Mechanically cleaned, Aerated grit chambers, and Vortex grit chamber. The different types […]

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Jan
30

Water Treatment | Coagulant Aids

Learn about Coagulant Aids in this excerpt from the Water Treatment Exam Review course.   We begin with the overview of the reasons to add coagulant aids. These include: Improve Coagulation Strengthen Floc Overcome cold water temperatures Reduce the primary coagulant dose Reduce sludge production After this, we look at the major types of coagulant […]

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Jan
24

Water Distribution | Pipe material

Learn about different pipe materials in this excerpt from the Distribution System Exam Review course.     In this video we look at pipe material and considerations involved with installing distribution piping. These considerations include, material, corrosion resistance, quality maintenance and installation cost. For more information regarding C-Value of pipe, check out THIS paper. If […]

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Jan
20

Water Treatment Math | Chlorine Dose Calculation

Learn how to calculate Chlorine Dose in this video. This is an example of our Five Step Process to solving math problems.   If you are preparing for a certification exam, you may be interested in our FREE Exam Tips or in signing up for one of our Exam Prep courses. We are here to help you achieve your career objectives.

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