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BACKFLOW PREVENTION ASSEMBLY TESTER EXAM
LATEST 2026 ACTUAL VERIFIED EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (100% VERIFIED ANSWERS) |ALREADY
GRADED A+||NEWEST EXAM!!!||
The isolation of a plumbing water system hazard
requires____?
A. Appliance protection
B. Building quarantine
C. High-hazard protection
D. Meter protection
E. Toxin monitoring - Answer-Appliance protection
A direct cross-connection suggests the piping system may
be subjected to ____?
A. Backpressure or backsiphonage
B. Backsiphonage only
C. Periodic inspection
D. Sustained pressure
E. Toxic materials - Answer-Backpressure or
backsiphonage
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A pipe restriction's flow velocity increase may allow ____?
A. Aspiration
B. Backpressure
C. Low turbulence
D. Pressure head
E. Pressure surges - Answer-Aspiration
Water supply contamination from backflow may result in
____?
A. A bad taste
B. Coloration
C. Death
D. Odor or smell
E. Pipe wall mineral deposit flaking - Answer-Death
To prevent backflow, an atmospheric vacuum breaker is
primarily designed to ____?
A. Allow air into the outlet piping system
B. Create an elevation loop above ground
C. Introduce head loss
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D. Prevent backpressure
E. Restrict velocity - Answer-Allow air into the outlet piping
system
Atmospheric vacuum breakers will typically be located on
____?
A. Commercial irrigation systems
B. Fire-suppression systems
C. Plumbing fixtures or appliances
D. Utility storage tanks
E. Water service connections - Answer-Plumbing fixtures
or appliances
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 - Answer-Service Connection
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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 - Answer-Repaired or
Installed
A differential pressure gauge reading of 0.2 psid is
represented on water column sight tube by _____?
A. 1/16 in. (0.16 cm)
B. 1/2 in. (1.3 cm)
C. 2 in. (5.1 cm)
D. 3.5 in. (8.9 cm)
E. 5.5 in. (14 cm) - Answer-5.5 in. (14 cm)
Pollution of a public water supply suggests the substance
in the water is ____?
A. Aesthetically bad
B. Biological with virus only
BACKFLOW PREVENTION ASSEMBLY TESTER EXAM
LATEST 2026 ACTUAL VERIFIED EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (100% VERIFIED ANSWERS) |ALREADY
GRADED A+||NEWEST EXAM!!!||
The isolation of a plumbing water system hazard
requires____?
A. Appliance protection
B. Building quarantine
C. High-hazard protection
D. Meter protection
E. Toxin monitoring - Answer-Appliance protection
A direct cross-connection suggests the piping system may
be subjected to ____?
A. Backpressure or backsiphonage
B. Backsiphonage only
C. Periodic inspection
D. Sustained pressure
E. Toxic materials - Answer-Backpressure or
backsiphonage
,2|Page
A pipe restriction's flow velocity increase may allow ____?
A. Aspiration
B. Backpressure
C. Low turbulence
D. Pressure head
E. Pressure surges - Answer-Aspiration
Water supply contamination from backflow may result in
____?
A. A bad taste
B. Coloration
C. Death
D. Odor or smell
E. Pipe wall mineral deposit flaking - Answer-Death
To prevent backflow, an atmospheric vacuum breaker is
primarily designed to ____?
A. Allow air into the outlet piping system
B. Create an elevation loop above ground
C. Introduce head loss
,3|Page
D. Prevent backpressure
E. Restrict velocity - Answer-Allow air into the outlet piping
system
Atmospheric vacuum breakers will typically be located on
____?
A. Commercial irrigation systems
B. Fire-suppression systems
C. Plumbing fixtures or appliances
D. Utility storage tanks
E. Water service connections - Answer-Plumbing fixtures
or appliances
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 - Answer-Service Connection
, 4|Page
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 - Answer-Repaired or
Installed
A differential pressure gauge reading of 0.2 psid is
represented on water column sight tube by _____?
A. 1/16 in. (0.16 cm)
B. 1/2 in. (1.3 cm)
C. 2 in. (5.1 cm)
D. 3.5 in. (8.9 cm)
E. 5.5 in. (14 cm) - Answer-5.5 in. (14 cm)
Pollution of a public water supply suggests the substance
in the water is ____?
A. Aesthetically bad
B. Biological with virus only
