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Backflow Prevention > Chapter 1, introduction, the backflow prevention > Flashcards

Chapter 1, introduction, the backflow prevention Flashcards

1
Q

_____ is the reversal of the normal flow of a liquid or gas.

A

Backflow

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2
Q

______ is a link between a potable water system and a non-potable system

A

Cross connection

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3
Q

________ is a link between the potable water supply and any other non-potable system design to remain in place

A

Permanent cross connection

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4
Q

This physical link between the potable system and the non-potable source provides a pathway that allows movement in _______

A

Either direction

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5
Q

Water that is contaminated by any liquid, gas, or solid that can be diluted, dissolved, suspended, or mixed with water that adversely affects the quality of the water

A

Non-potable water

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6
Q

A substance is a __________ if it can adversely affect human health and safety

A

High hazard

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7
Q

High hazards are also referred to as what?

A

Health hazards

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8
Q

______ do not affect public health.

A

Low Hazards

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9
Q

The introduction of any substance into water at levels that degrades the quality of the water, making it unfit for human consumption because it would adversely affect public health

A

Contamination

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10
Q

A substance that deteriorates the aesthetic quality of water or other materials, but is not harmful to health. These are considered non-health or low hazards.

A

Pollutant

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11
Q

What are the two types of backflow?

A

Back pressure and Backsiphonage

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12
Q

This occurs when the customers pressure exceeds the supply pressure provided by the municipality

A

Back pressure

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13
Q

This can occur through a rise in the non-potable pressure, a drop in the potable pressure or a combination of both

A

BackPressure

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14
Q

This can also be caused by booster pumps or temperature increases in a boiler

A

BackPressure

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15
Q

This occurs when the supply line pressure falls below atmospheric pressure

A

Back siphonage

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16
Q

Back siphonage can also be caused by what?

A

Heavy water usage

17
Q

Examples of heavy water usage include waterline, flushing, firefighting, and ______

A

Line breaks

18
Q

This occurs when the supply line pressure falls below atmospheric pressure

A

Back siphonage

19
Q

What is atmospheric pressure at sea level?

A

14.7 PSI

20
Q

It is estimated that approximately ________ cross connections are created every day of the year in this country

A

100,000

21
Q

_______ is a link between the portable water supply and any other non-potable system created with removable sections, swivel or changeover devices, garden hoses, and other non-permanent methods

A

Temporary cross-connection

22
Q

This is a link between the potable water supply and any other non-potable system that is subject to both back pressure and back siphonage

A

A direct cross connection

23
Q

This is a temporary link between the potable water supply and any other non-potable system that is subject to back siphonage only

A

indirect cross connection

24
Q

The safe drinking water act (SDWA) was established in:

A

1974

25
Q

This act states rules and regulations that require municipalities to establish cross connection control programs

A

The safe drinking water act

26
Q

What term means that the states have a primary enforcement responsibility?

A

Primacy

27
Q

ASSE is the abbreviation of what organization?

A

The American society of sanitary engineering

28
Q

AWWA is the abbreviation of what organization?

A

American waterworks association

29
Q

FCCC & HR is the abbreviation of what organization?

A

The foundation for cross connection, control, and hydraulic research

30
Q

ASTM is the abbreviation of what organization

A

The American Society for testing and materials

31
Q

ASTM is the abbreviation of what organization

A

The American Society for testing and materials

32
Q

ASME is the abbreviation for what organization?

A

American Society of mechanical engineers

33
Q

The two basic approaches to preventing backflow hazards are:

A

Backflow prevention and cross connection control

34
Q

Legal authority, plan, review of new construction, standards, and specifications to define “ approved” backflow prevention assemblies, testing, and maintenance program, recordkeeping, program per serving and retrofitting, existing facilities, training, utility personnel and educating consumers, and others are referred to as what?

A

The seven essential elements

Backflow Prevention (11 decks)

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