Back Flow
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Back Flow 48
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BACK-FLOW 1
Latest content Back Flow
The unintentional reversal of flow in a potable water system which may result in contamination 
or pollution of the system. 
A. cross connection 
B. backflow 
C. backpressure backgflow 
D. backsiphonage backflow B. Backflow 
 
A device installed in the potable water supply to a system that contains a pullutant or 
contaminant to prevent backflow into the potable water system within the facility 
A. backflow 
B. backflow prevention device 
C. backflow pressure backflow 
D. isolation backflow devi...
- Exam (elaborations)
- • 35 pages's •
-
Back Flow•Back Flow
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The unintentional reversal of flow in a potable water system which may result in contamination 
or pollution of the system. 
A. cross connection 
B. backflow 
C. backpressure backgflow 
D. backsiphonage backflow B. Backflow 
 
A device installed in the potable water supply to a system that contains a pullutant or 
contaminant to prevent backflow into the potable water system within the facility 
A. backflow 
B. backflow prevention device 
C. backflow pressure backflow 
D. isolation backflow devi...
The unintentional reversal of flow in a potable water system which may result in contamination 
or pollution of the system. 
A. cross connection 
B. backflow 
C. backpressure backgflow 
D. backsiphonage backflow B. Backflow 
 
A device installed in the potable water supply to a system that contains a pullutant or 
contaminant to prevent backflow into the potable water system within the facility 
A. backflow 
B. backflow prevention device 
C. backflow pressure backflow 
D. isolation backflow devi...
- Exam (elaborations)
- • 35 pages's •
-
Back Flow•Back Flow
Preview 4 out of 35 pages
Getting your document ready...
The unintentional reversal of flow in a potable water system which may result in contamination 
or pollution of the system. 
A. cross connection 
B. backflow 
C. backpressure backgflow 
D. backsiphonage backflow B. Backflow 
 
A device installed in the potable water supply to a system that contains a pullutant or 
contaminant to prevent backflow into the potable water system within the facility 
A. backflow 
B. backflow prevention device 
C. backflow pressure backflow 
D. isolation backflow devi...
Containing a plumbing system from the public water supply requires backflow protection at the 
_______? 
A. Appliance or fixture 
B. Building foundation 
C. Irrigation system 
D. Service Connection 
 
E. Sprinkler riser Service Connection 
 
Backflow preventer manufacturers recommend that assemblies be field-tested annually and 
when_____? 
A. Installed 
B. Moved 
C. Repaired or Installed 
D. Shut down 
 
E. Water suppliers provide notice Repaired or Installed
- Exam (elaborations)
- • 41 pages's •
-
Back Flow•Back Flow
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Containing a plumbing system from the public water supply requires backflow protection at the 
_______? 
A. Appliance or fixture 
B. Building foundation 
C. Irrigation system 
D. Service Connection 
 
E. Sprinkler riser Service Connection 
 
Backflow preventer manufacturers recommend that assemblies be field-tested annually and 
when_____? 
A. Installed 
B. Moved 
C. Repaired or Installed 
D. Shut down 
 
E. Water suppliers provide notice Repaired or Installed
Actual Cross Connection Any arrangement of pipes, fittings, or devices that connects a 
potable water supply DIRECTLY to a non-potable source at all times. 
 
Air Gap In plumbing, the unobstructed vertical distance though the free atmosphere between 
the lowest opening from any pipe or outlet supplying water to a tank, plumbing fixtures. or other 
container, and the over flow rom of that container. 
 
Atmospheric Vacuum Breaker A mechanical device consisting of a float check valve and an 
air-in...
- Exam (elaborations)
- • 10 pages's •
-
Back Flow•Back Flow
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Actual Cross Connection Any arrangement of pipes, fittings, or devices that connects a 
potable water supply DIRECTLY to a non-potable source at all times. 
 
Air Gap In plumbing, the unobstructed vertical distance though the free atmosphere between 
the lowest opening from any pipe or outlet supplying water to a tank, plumbing fixtures. or other 
container, and the over flow rom of that container. 
 
Atmospheric Vacuum Breaker A mechanical device consisting of a float check valve and an 
air-in...
A double check valve assembly is installed 12 above the floor for? Maintenance 
 
A low hazard Backflow preventer is a? Double Check valve assembly 
 
A field test report for a double check will include the manufacturer name, model, size and ?? 
Serial number 
 
Double check valve assembly components are?? Independently acting 
 
A double check valve assembly hydraulic use is?? Continuous 
 
A detector assembly contains a device of equal? Protection 
 
Each check valve of a double check valve as...
- Exam (elaborations)
- • 31 pages's •
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Back Flow•Back Flow
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A double check valve assembly is installed 12 above the floor for? Maintenance 
 
A low hazard Backflow preventer is a? Double Check valve assembly 
 
A field test report for a double check will include the manufacturer name, model, size and ?? 
Serial number 
 
Double check valve assembly components are?? Independently acting 
 
A double check valve assembly hydraulic use is?? Continuous 
 
A detector assembly contains a device of equal? Protection 
 
Each check valve of a double check valve as...