2024 BACKFLOW PREVENTION
ASSEMBLY TESTER TRAINING GA
REAL EXAM WITH ALL 100 QUESTIONS
AND CORRECT VERIFIED ANSWERS
GRADED A(BRAND NEW!!)
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 - ANSWER-Allow air into the outlet piping system
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 - 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 1 / 3
- Railroad and highway intersection sign
- Temporary hose bibb connection - ANSWER-Temporary hose bibb connection
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 - 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 - 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) - ANSWER-5.5 in. (14 cm) 2 / 3
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 - ANSWER-Aesthetically bad
The isolation of a plumbing water system hazard requires____?
- Appliance protection
- Building quarantine
- High-hazard protection
- Meter protection
- Toxin monitoring - ANSWER-Appliance protection
A direct cross-connection suggests the piping system may be subjected to ____?
- Backpressure or backsiphonage
- Backsiphonage only
- Periodic inspection
- Sustained pressure
- Toxic materials - ANSWER-Backpressure or backsiphonage
A pipe restriction's flow velocity increase may allow ____?
- Aspiration
- Backpressure
- / 3