Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Cross Connections > Definitions > Flashcards

Definitions Flashcards

1
Q

The unobstructed vertical distance through air bn the lowest point of the water supply outlet and the flood level rim of the fixture of device into which the outlet discharges, is what?

A

Air Gap

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

A backflow preventer assembled as a unit w/ properly located / approved shutoff valves and test cocks so the device can be approved by testing agency and accepted to the AHJ, is what?

A

Approved Testable Backflow preventer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Backflow protection provided for a section of a piping system w/ potable / non-potable connections (that may or may not be considered CC) downstream of a backflow preventer, is the definition of?

A

Area Protection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Atmospheric vacuum breaker (AVB) is defined as what?

A

A vacuum breaker designed to be under pressure only when water is being drawn from the water supply system / short, intermittent periods of time.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Any water supply, on or available to the premises, other than the primary potable water supply, is what?

A

Auxiliary Water Supply

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

A flowing back or reversal of the normal direction of the flow

A

Backflow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

A device or method that prevents backflow

A

Backflow preventer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

a pressure higher than the supply pressure

A

Back pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Backflow caused by pressure below atmospheric in the supply system

A

Back siphonage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

A fabricated loop of piping connected to the potable to the potable water supply that rises at least 10.7 m (35’), at its uppermost point, above the highest fixture it serves
- this guy only protects against back siphonage only

A

Barometric loop

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The level of submergence at which a back siphonage preventer ceases to prevent back siphonage

A

Critical Level

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

A backflow preventer consisting of 2 approved double check valve, set in parallel, equipped w/ a meter on the bypass line for the purpose of detecting small amounts or water leakage or unauthorized use.
- Are used to protect against back siphonage + back pressure

A

Double Check Detector Assembly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

A backflow preventer that consists of 2 force - loaded, indy acting check valves + 2 resilient - seated shut off valves located at each end of the DCVA backflow preventer and is fitted w/ resilient - seated test cocks
- designed for use under con’t pressure

A

Double check valve assembly (DCVA)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

A backflow preventer that consists of 2 indy acting force loaded, soft - seated check valves in series.
They do not have a relief port or test cocks
Designed for use under con’t pressure

A

Dual Check Valve (DuC)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

A backflow preventer that consists of 2 indy acting check valves separated by an intermediate chamber w/ an atmospheric port
- Used under con’t pressure

A

Dual check valve w/ atmospheric port (DCAP)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

A backflow preventer specifically designed for use in carbonated beverage dispensing machines that consists of 2 indy acting check valves biased to normally closed positions / separated by an intermediate chamber w/ an atmospheric port
- Designed for use under con’t pressure

A

Dual check valve w/ atmospheric port for carbonators (DCAPC)

17
Q

The vertical distance in feet equal to the pressure in psi at a specific point.

A

Head pressure

18
Q

What is head pressure equal to?

A

1 foot = 0.433 psi / cubic foot

19
Q

A vacuum breaker that consists of a single force - loaded check valve biased to a closed position.
Downstream of the check valve is a means of automatically venting to atmosphere that is force-loaded to open position.

A

Hose connection Vacuum Breaker (HCVB)

20
Q

Backflow protection provided at the connection to a fixture or appliance.
- aka in-premises isolation, fixture protection, point of use protection

A

Individual protection

21
Q

The practice of applying backflow prevention devices or methods to isolate an area or one or more hazards w/in a private potable water supply system

A

internal protection

22
Q

A vacuum breaker that consists of 2 indy acting check valves forced loaded to a closed position. Bn check valves, there is an atmospheric vent that is force loaded to open position

A

Laboratory Faucet Vacuum breaker (LFVB)

23
Q

Any type of CC or potential CC that involves a sunstance that constitutes only a nuisance / that results in a reduction in only the aesthetic qualities of water.
Does not create a danger to health

A

Minor Hazard

24
Q

Any minor hazard connection that has a low probability of becoming a severe hazard
Can create a danger to health

A

Moderate hazard

25
Q

Water safe for human consumption

A

Potable water

26
Q

Backflow protection provided at the entrance to a building of facility

A

Premises isolation

27
Q

A vacuum breaker that contains an indy acting CV force - loaded to a closed position + an indy operating air inlet force - loaded to open position / located downstream of the check valve

A

Pressure Vacuum Breaker (PVB)

28
Q

True or False: PVB devices are equipped w/ resilient - seated test cocks / resilient seated shut off valves located at each end of the vacuum breaker.

A

True

29
Q

A material that is capable of withstanding shock w/o permanent damage / capable of returning to its original condition after being compressed

A

Resilient seated

30
Q

Any type of CC or potential CC involving water that has additives or substances that can create a danger to health

A

Severe Hazard

31
Q

A vacuum breaker that contains an indy acting CV force - loaded to a closed position + an indy operating air inlet force - loaded to open position / located downstream of the check valve
Also includes a diaphragm that separates the flow from atmospheric vent and has a bleeder valve

A

Spill-Resistant Pressure Vacuum Breaker Assembly (SVBA)

32
Q

A room or space that is constructed to house a backflow preventer and that is capable of being entered by a person

A

Vault

33
Q

Backflow protection provided for section of a piping system w/in a building or facility w/ no potable connections downstream of a backflow preventer

A

Zone Protection

34
Q

What does CSA stand for?

A

Canadian Standards Association

Cross Connections (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions