Cheat Sheet 1 (c) Flashcards

1
Q

Dead end water mains should be avoided to prevent what?

A

The development of taste and odor problems

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2
Q

How often should fire hydrants be operated

A

Fire hydrants should be operated twice a year

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3
Q

What are blow off valves used for

A

Blow off valves flush out sediments and bio growth out of the water system

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4
Q

What is the type of hydrant with valve outlets

A

A wet barrel hydrant has valve outlets

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5
Q

What does M.C.L. Stand for

A

M.C.L. Stands for Maximum Contaminant Level

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6
Q

Name a federal agency that regulates

A

The E.P.A.

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7
Q

Where do you take water samples

A

At the main

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8
Q

For a large system how many bacteriological samples should be taken

A

Depends on the population

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9
Q

After digging a trench what would be the next step to start a tap

A

Clean the main

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10
Q

What is a thrust block used for

A

To keep the pipe from separating

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