BACKFLOW PREVENTION ASSEMBLY TESTER
PRACTICE EXAM / With verified Answers
1. 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
2. A mixture of air and gas is considered hazardous when the mixture
exceeds what percentage of the lower explosive limit
(A) 0%
(B) 3%
(C) 7%
(D) 10%
3. 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
4. A DC must be tested
(A) Upon installation
(B) Every 6 month
(C) Annually on a health hazard
(D) none of the above
5. 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
6. 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
7. A differential pressure gauge is used to field test
(A) PVB's
(B) Dual Checks
(C) AVB's
(D) All the above
PVB's
8. 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
9. 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
10. 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
11. When field testing the #1 Check of a RP the differential pressure shouid
be
(A) Greater than or equal to 5.0 psid
(B) 3.0 psid greater than the relief valve opening point
(C) 1.0 psid in the direction of flow
(D) Less than 5.0 psid
Greter than or equal to 5.0 psid
12. 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
13. When testing a PVB the air inlet opens upon closing the #1 shut off valve
What is the most probable cause
(A) Leaking #2 shut off valve
(B) Leaking #1 shut off valve
(C) Fouled air inlert
(D) Foued check valve:
Leaking #2 shut off valve
PRACTICE EXAM / With verified Answers
1. 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
2. A mixture of air and gas is considered hazardous when the mixture
exceeds what percentage of the lower explosive limit
(A) 0%
(B) 3%
(C) 7%
(D) 10%
3. 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
4. A DC must be tested
(A) Upon installation
(B) Every 6 month
(C) Annually on a health hazard
(D) none of the above
5. 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
6. 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
7. A differential pressure gauge is used to field test
(A) PVB's
(B) Dual Checks
(C) AVB's
(D) All the above
PVB's
8. 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
9. 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
10. 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
11. When field testing the #1 Check of a RP the differential pressure shouid
be
(A) Greater than or equal to 5.0 psid
(B) 3.0 psid greater than the relief valve opening point
(C) 1.0 psid in the direction of flow
(D) Less than 5.0 psid
Greter than or equal to 5.0 psid
12. 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
13. When testing a PVB the air inlet opens upon closing the #1 shut off valve
What is the most probable cause
(A) Leaking #2 shut off valve
(B) Leaking #1 shut off valve
(C) Fouled air inlert
(D) Foued check valve:
Leaking #2 shut off valve
