Cheat Sheet 1 (g) Flashcards
What are the most common and accurate types of meters
Nutating disc and oscillating piston meters
What is the proper method for measuring chlorine residuals in water
Using a DPD kit
What measure or courting is used to determine effectiveness in the distribution system
Coliform group
To ensure conventional flushing is working, how many volumes of pipeline to be removed are typically used
3 Times
What type of organisms is bacteriological testing used to identify
Pathogenics
1 million gallons of water would require how much chemical to obtain dosage of 1 PPM
10 lbs
What is THM
Trihalomethane
What cause cloudiness in water
Turbidity ( dissolved organic particles in water)
How long do you pressure test a new water main
4 hours at minimum 50% operating pressure or 150 PSI
At what velocity and rate should new water mains be filled
No greater then 1 ft per second