BACKFLOW PREVENTION ASSEMBLY
BPAT TESTER EXAM LATEST ACTUAL
EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED
ANSWERS)
Containing a plumbing system from the public water supply requires backflow protection at the _______?
- Appliance or fixture
- Building foundation
- Irrigation system
- Service Connection
- Sprinkler riser Correct Answer Service Connection
Backflow preventer manufacturers recommend that assemblies be field-tested annually and when_____?
- Installed
- Moved
- Repaired or Installed
- Shut down
- Water suppliers provide notice Correct Answer Repaired or
Installed
A differential pressure gauge reading of 0.2 psid is represented on water column sight tube by _____?
- 1/16 in. (0.16 cm)
- 1/2 in. (1.3 cm)
- 2 in. (5.1 cm)
- 3.5 in. (8.9 cm)
- 5.5 in. (14 cm) Correct Answer 5.5 in. (14 cm)
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Pollution of a public water supply suggests the substance in the water is ____?
- Aesthetically bad
- Biological with virus only
- Lowering the pH below 1.4
- Radiological
- Toxic Correct Answer Aesthetically bad
Backsiphonage may occur when the pressure inside copper tubing is ____?
- Greater than atmospheric pressure
- Greater than barometric pressure
- Greater than 0 gauge pressure
- Less than absolute pressure
- Less than atmospheric pressure Correct Answer Less than
atmospheric pressure
A cross-connection may be a permanent piping arrangement or a(n) ____?
- Backflow preventer
- Church symbol
- OSHA hazardous area designation
- Railroad and highway intersection sign
- Temporary hose bibb connection Correct Answer Temporary
hose bibb connection
The isolation of a plumbing water system hazard requires____?
- Appliance protection
- Building quarantine
- High-hazard protection
- Meter protection
- Toxin monitoring Correct Answer Appliance protection
A direct cross-connection suggests the piping system may be subjected to ____? 2 / 3
- Backpressure or backsiphonage
- Backsiphonage only
- Periodic inspection
- Sustained pressure
- Toxic materials Correct Answer Backpressure or
backsiphonage
A pipe restriction's flow velocity increase may allow ____?
- Aspiration
- Backpressure
- Low turbulence
- Pressure head
- Pressure surges Correct Answer Aspiration
Water supply contamination from backflow may result in ____?
- A bad taste
- Coloration
- Death
- Odor or smell
- Pipe wall mineral deposit flaking Correct Answer Death
To prevent backflow, an atmospheric vacuum breaker is primarily designed to ____?
- Allow air into the outlet piping system
- Create an elevation loop above ground
- Introduce head loss
- Prevent backpressure
- Restrict velocity Correct Answer Allow air into the outlet piping
system
Atmospheric vacuum breakers will typically be located on ____?
- Commercial irrigation systems
- Fire-suppression systems
- Plumbing fixtures or appliances
- Utility storage tanks
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