Certification Exam Prep

Peristaltic Pump
Jan
17

Peristaltic Pump

Click on the “+” symbols to learn about peristaltic pumps.

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Water Storage
Jan
17

Water Storage

Following maintenance on a water storage tank, the tank must be disinfected and a ___________ test must be performed. The bacteriological test must be negative before the tank is placed in service.

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Water Treatment and Distribution System
Jan
17

Water Treatment and Distribution System

A valve that automatically stops water flow when water level in a storage tank reaches a predetermined level.

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Corrosion Control
Jan
16

Corrosion Control

The buildup of corrosion products on the inside of iron pipes is known as:

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Corrosion Control
Jan
16

Corrosion Control

A form of localized corrosion caused by the electrical connection of two dissimilar metals.  

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Distribution Piping
Jan
15

Distribution Piping

Protecting steel pipe from external corrosion is best accomplished by:

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Water Treatment and Distribution System
Jan
15

Water Treatment and Distribution System

The measure of the roughness of a pipe’s interior surface that retards flow due to friction. The higher the C value, the smoother the surface which results in less friction.

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Coagulation & Flocculation
Jan
14

Coagulation & Flocculation

The major advantage for using activated silica is that it will:

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