Cheat Sheet 1 (g) Flashcards

1
Q

What are the most common and accurate types of meters

A

Nutating disc and oscillating piston meters

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2
Q

What is the proper method for measuring chlorine residuals in water

A

Using a DPD kit

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3
Q

What measure or courting is used to determine effectiveness in the distribution system

A

Coliform group

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4
Q

To ensure conventional flushing is working, how many volumes of pipeline to be removed are typically used

A

3 Times

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5
Q

What type of organisms is bacteriological testing used to identify

A

Pathogenics

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6
Q

1 million gallons of water would require how much chemical to obtain dosage of 1 PPM

A

10 lbs

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7
Q

What is THM

A

Trihalomethane

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8
Q

What cause cloudiness in water

A

Turbidity ( dissolved organic particles in water)

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9
Q

How long do you pressure test a new water main

A

4 hours at minimum 50% operating pressure or 150 PSI

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10
Q

At what velocity and rate should new water mains be filled

A

No greater then 1 ft per second

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