Backflow Prevention Assembly Tester — Full Practice
Exam + Study Guide 2026 | Verified Questions & Answers
| Guaranteed Pass
What’s Included:
100+ multiple-choice questions covering all device types (RP, DC, PVB, SVB) and
failure scenarios
Verified answers with detailed explanations so you understand why answers are correct
Comprehensive Study Guide, reviewing hydraulics, cross-connection control principles,
regulatory codes, test procedures, diagnostics, maintenance
Updated 2024 content aligned with the latest standards (USC Manual, AWWA / ABPA
references)
Tips, shortcuts & exam strategies to maximize your score
Downloadable PDF + printable formats
Why choose this package?
Contains realistic, exam-style questions (not just superficial ones)
Designed by certified backflow testers and instructors
Helps you identify weak areas and reinforce understanding
Good for initial certification and recertification
Supports multiple jurisdictions (with core theory that applies widely)
BACKFLOW PREVENTION ASSEMBLY TESTER PRACTICE EXAM
A mixture of air and gas is considered hazardous when the mixture exceeds what percentage of gthe
lower explosive limit
(A) 0%
(B) 3%
(C) 7%
(D) 10%
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
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
Upon installation
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
Implement the emergency response plan
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
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
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
PVB's
Backflow in a water supply can be caused by
(A) Backpressure only
(B) A Barometric Loop
(C) Backsiphonage only
(D) Backpressure and Backsiphonage
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
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
(B) #2 Shut off valve is open
(C) #1 check is fouled open
(D) Shut off is leaking
#1 check is fouled open
When field testing the #1 Check of a RP the differential pressurw shouid be
(A) Greter than or equal to 5.0 psid
(B) 3.0 psid greater than the relief valve opening point
(C) 1.0 psid in the directiom of flow
(D) Less than 5.0 psid
Greter than or equal to 5.0 psid
When testing a SVB what is the firsrt test being performed
(A) The air inlet opening point
(B) The static pressure across the check valve
(C) To verify the #2shut off hold tight
(D) To check if the SVB hold water
The static pressure across the check valve
Exam + Study Guide 2026 | Verified Questions & Answers
| Guaranteed Pass
What’s Included:
100+ multiple-choice questions covering all device types (RP, DC, PVB, SVB) and
failure scenarios
Verified answers with detailed explanations so you understand why answers are correct
Comprehensive Study Guide, reviewing hydraulics, cross-connection control principles,
regulatory codes, test procedures, diagnostics, maintenance
Updated 2024 content aligned with the latest standards (USC Manual, AWWA / ABPA
references)
Tips, shortcuts & exam strategies to maximize your score
Downloadable PDF + printable formats
Why choose this package?
Contains realistic, exam-style questions (not just superficial ones)
Designed by certified backflow testers and instructors
Helps you identify weak areas and reinforce understanding
Good for initial certification and recertification
Supports multiple jurisdictions (with core theory that applies widely)
BACKFLOW PREVENTION ASSEMBLY TESTER PRACTICE EXAM
A mixture of air and gas is considered hazardous when the mixture exceeds what percentage of gthe
lower explosive limit
(A) 0%
(B) 3%
(C) 7%
(D) 10%
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
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
Upon installation
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
Implement the emergency response plan
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
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
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
PVB's
Backflow in a water supply can be caused by
(A) Backpressure only
(B) A Barometric Loop
(C) Backsiphonage only
(D) Backpressure and Backsiphonage
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
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
(B) #2 Shut off valve is open
(C) #1 check is fouled open
(D) Shut off is leaking
#1 check is fouled open
When field testing the #1 Check of a RP the differential pressurw shouid be
(A) Greter than or equal to 5.0 psid
(B) 3.0 psid greater than the relief valve opening point
(C) 1.0 psid in the directiom of flow
(D) Less than 5.0 psid
Greter than or equal to 5.0 psid
When testing a SVB what is the firsrt test being performed
(A) The air inlet opening point
(B) The static pressure across the check valve
(C) To verify the #2shut off hold tight
(D) To check if the SVB hold water
The static pressure across the check valve
