Water Blog

Jan
19

Filtration

What is a typical filter run time for a high-rate filter system?

By jay@americanwatercollege.org | Certification Exams . Distribution . Water Treatment
DETAIL
Jan
19

Fire Hydrants & Valves

Type of fire hydrant used in locations that freeze.  The main valve is located below ground and a drain valve allows water to drain from barrel when the main valve is closed.

By jay@americanwatercollege.org | Certification Exams . Distribution . Water Treatment
DETAIL
Jan
18

Sample Preservation

Click on the “+” symbols to learn about sample preservation methods

By jay@americanwatercollege.org | Certification Exams . Distribution . Water Treatment
DETAIL
Jan
18

Disenfection

The purpose of the vacuum relief valve in the line going to the chlorine injector is:

By jay@americanwatercollege.org | Certification Exams . Distribution . Water Treatment
DETAIL
Jan
18

Disinfection

Addition of chlorine to water until the chlorine demand has been satisfied. At this point, further additions of chlorine will result in a free chlorine residual that is directly proportional to the amount of chlorine added.

By jay@americanwatercollege.org | Certification Exams . Wastewater Treatment . Water Treatment
DETAIL
Jan
17

Peristaltic Pump

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

By jay@americanwatercollege.org | Certification Exams . Distribution . Uncategorized . Water Treatment
DETAIL
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.

By jay@americanwatercollege.org | Certification Exams . Distribution . Water Treatment
DETAIL
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.

By jay@americanwatercollege.org | Certification Exams . Distribution . Water Treatment
DETAIL
Page 10 of 30« First...89101112...2030...Last »