1|Page
2025/2026 BACKFLOW PREVENTION ASSEMBLY
TESTER EXAM WITH ALL COMPLETE QUESTIONS
AND DETAILED CORRECT ANSWERS WELL
ERABORATED FOR GUARANTEED PASS TOP-
RATED A+.
BACKFLOW
This essential guide prepares you for the Backflow Prevention
Assembly Tester certification exam. It provides key practice questions
and verified answers covering testing procedures, troubleshooting, and
code compliance. Master the required skills and approach your exam
with confidence.
In responding to a backflow incident the water purveyor
should
(A) Call the mayor
(B) Implement the emergency response plan
(C) Install a vacuum breaker
(D) Develop a good excuse ...... ANSWER .......
Implement the emergency response plan
A mixture of air and gas is considered hazardous when the
mixture exceeds what percentage of gthe lower explosive
limit
,2|Page
(A) 0%
(B) 3%
(C) 7%
(D) 10% ...... ANSWER ....... 10%
To exert a pressure of 1.0 psi at base of a water column the
column would have to be
(A) 4.34 high
(B) 14.7 high
(C) 27.75 high
(D) 33.89 high ...... ANSWER ....... 27.75 high
A DC must be tested
(A) Upon installation
(B) Every 6 month
(C) Annually on a health hazard
(D) none of the above ...... ANSWER ....... Upon
installation
,3|Page
An absolute perssure of 25 psiaa (at sea level) is equal to
approximately
(A) 5 psi
(B) 10 psi
(C) 20 psi
(D) 25 psi ...... ANSWER ....... 10 psi
Dueing a field test the air inlet on PVB must open at
(A) Above 2.0 psid
(B) Below 1.0 psid
(C) Above 1.0 psid
(D) Below 2.0 psid ...... ANSWER ....... Above 1.0 psid
A differential pressuer gauge is used to field test
(A) PVB's
(B) Dual Checks
(C) AVB's
(D) All the above ...... ANSWER ....... PVB's
, 4|Page
Backflow in a water supply can be caused by
(A) Backpressure only
(B) A Barometric Loop
(C) Backsiphonage only
(D) Backpressure and Backsiphonage ...... ANSWER
....... Backpressure and Backsiphonage
A BPAT tester is required to report test information on the
proper forms to the
(A) Administrative authority
(B) Manufacturer's Rep
(C) EPA
(D) None of the above ...... ANSWER .......
Administrative authority
The relief valve opens when closing #2 shut off valve on a
RP What is the most probable cause
(A) #1 Shut off valve is open
2025/2026 BACKFLOW PREVENTION ASSEMBLY
TESTER EXAM WITH ALL COMPLETE QUESTIONS
AND DETAILED CORRECT ANSWERS WELL
ERABORATED FOR GUARANTEED PASS TOP-
RATED A+.
BACKFLOW
This essential guide prepares you for the Backflow Prevention
Assembly Tester certification exam. It provides key practice questions
and verified answers covering testing procedures, troubleshooting, and
code compliance. Master the required skills and approach your exam
with confidence.
In responding to a backflow incident the water purveyor
should
(A) Call the mayor
(B) Implement the emergency response plan
(C) Install a vacuum breaker
(D) Develop a good excuse ...... ANSWER .......
Implement the emergency response plan
A mixture of air and gas is considered hazardous when the
mixture exceeds what percentage of gthe lower explosive
limit
,2|Page
(A) 0%
(B) 3%
(C) 7%
(D) 10% ...... ANSWER ....... 10%
To exert a pressure of 1.0 psi at base of a water column the
column would have to be
(A) 4.34 high
(B) 14.7 high
(C) 27.75 high
(D) 33.89 high ...... ANSWER ....... 27.75 high
A DC must be tested
(A) Upon installation
(B) Every 6 month
(C) Annually on a health hazard
(D) none of the above ...... ANSWER ....... Upon
installation
,3|Page
An absolute perssure of 25 psiaa (at sea level) is equal to
approximately
(A) 5 psi
(B) 10 psi
(C) 20 psi
(D) 25 psi ...... ANSWER ....... 10 psi
Dueing a field test the air inlet on PVB must open at
(A) Above 2.0 psid
(B) Below 1.0 psid
(C) Above 1.0 psid
(D) Below 2.0 psid ...... ANSWER ....... Above 1.0 psid
A differential pressuer gauge is used to field test
(A) PVB's
(B) Dual Checks
(C) AVB's
(D) All the above ...... ANSWER ....... PVB's
, 4|Page
Backflow in a water supply can be caused by
(A) Backpressure only
(B) A Barometric Loop
(C) Backsiphonage only
(D) Backpressure and Backsiphonage ...... ANSWER
....... Backpressure and Backsiphonage
A BPAT tester is required to report test information on the
proper forms to the
(A) Administrative authority
(B) Manufacturer's Rep
(C) EPA
(D) None of the above ...... ANSWER .......
Administrative authority
The relief valve opens when closing #2 shut off valve on a
RP What is the most probable cause
(A) #1 Shut off valve is open
