1
Backflow Prevention Assembly Tester
Exam – Complete Test Bank (Newest
Edition) with Verified Correct
Answers
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
(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
,2
(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
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
,3
(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
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
, 4
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
(B) #2 Shut off valve is open
(C) #1 check is fouled open
(D) Shut off is leaking
ANSWER: #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
ANSWER: 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
ANSWER: The static pressure across the check valve
Backflow Prevention Assembly Tester
Exam – Complete Test Bank (Newest
Edition) with Verified Correct
Answers
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
(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
,2
(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
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
,3
(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
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
, 4
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
(B) #2 Shut off valve is open
(C) #1 check is fouled open
(D) Shut off is leaking
ANSWER: #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
ANSWER: 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
ANSWER: The static pressure across the check valve
