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BACKFLOW PREVENTION ASSEMBLY TESTER
PRACTICE EXAM ACTUAL EXAM ALL
QUESTIONS AND CORRECT ANSWERS ALREADY
GRADED A+
The relief valve of a Reduced Pressure Principle Assmbly remains closed during normal
| | | | | | | | | | | |
operation due to
| | |
(A) Supply side pressure | |
(B) The relief valve spring | | |
(C) Zone pressure |
(D) All the above - ANSWER: The relief valve spring
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What would cause a continual flow of water from of water the air inlet of a PVB prior
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strting the field test
| | | |
(A) #2 shut off leaking by with baclpressure
| | | | | |
(B) Fouled ckeck valve | |
(C) #1 shull off leaking by
| | | |
(D) Fouled air inlet - ANSWER: Fouled air inlet | | | | | | |
A PVB can be installed in the following conditions
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(A) Backpressure
(B) Backsiphonage
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(C) B and D | |
(D) Pollutants and Contaminants - ANSWER: B Backsiphonage and D Pollutants | | | | | | | | |
and Contaminants
| |
When testing the check valve ob a SVB the water will not stop flowing What is the most
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probabie cause
| |
(A) #2 shut off valve leaks by
| | | | |
(B) #1 shut off valve leaks by
| | | | |
(C) check valve is fouled | | |
(D) None of the above - ANSWER: #1 shut off valve leaks by
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Which of the following could cause a closed system if installed in the sevice line
| | | | | | | | | | | | | |
(A) Hose bibb |
(B) Backflow Prevention Assembly | |
(C) venturi
(D) T & P valve - ANSWER: Backflow Prevention Assembly
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The critical level when testing the SVB is
| | | | | | |
(A) At the air inlet | | |
(B) At the #1 shutoff valve
| | | |
(C) At the vent screw
| | |
(D) there is on critical level - ANSWER: At the vent screw
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During the test of the check valve on a Pvb water continues to flow from the #2 test
| | | | | | | | | | | | | | | | |
cock What is the most probabie
| | | | | |
(A) Leaking #1 shut off valve | | | |
(B) Fouied air inlet | |
(C) Fouied ckeck valve | |
(D) Incorrect test procedure - ANSWER: Leaking #1 shut off valve | | | | | | | | |
Which of the following backflow assmblies are allowable for use against a
| | | | | | | | | | |
contaminant when the backflow could be caused by backpressure
| | | | | | | | |
(A) Atmospheric vacuum breaker | |
(B) Doubie check valve assembly | | |
(C) Pressure vacuum breaker assembly | | |
(D) Redued pressure backflow assembly - ANSWER: Redued pressure backflow
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assembly
|
While testing a backflow device under the influence of direct cross connection it is
| | | | | | | | | | | | |
observed that the hazard preset is a pollutant Which assembly is appropriate for
| | | | | | | | | | | | |
protection
|
(A) AVB , PVB , Air Gap | | | | |
(B) RP , DC , SVB | | | |
(C) Air Gap , RP , DC | | | | |
(D) Barometric Loop - ANSWER: Air Gap , RP , DC | | | | | | | | |
How many test cocks are required on a RP
| | | | | | | |
BACKFLOW PREVENTION ASSEMBLY TESTER
PRACTICE EXAM ACTUAL EXAM ALL
QUESTIONS AND CORRECT ANSWERS ALREADY
GRADED A+
The relief valve of a Reduced Pressure Principle Assmbly remains closed during normal
| | | | | | | | | | | |
operation due to
| | |
(A) Supply side pressure | |
(B) The relief valve spring | | |
(C) Zone pressure |
(D) All the above - ANSWER: The relief valve spring
| | | | | | | |
What would cause a continual flow of water from of water the air inlet of a PVB prior
| | | | | | | | | | | | | | | | |
strting the field test
| | | |
(A) #2 shut off leaking by with baclpressure
| | | | | |
(B) Fouled ckeck valve | |
(C) #1 shull off leaking by
| | | |
(D) Fouled air inlet - ANSWER: Fouled air inlet | | | | | | |
A PVB can be installed in the following conditions
| | | | | | | |
(A) Backpressure
(B) Backsiphonage
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(C) B and D | |
(D) Pollutants and Contaminants - ANSWER: B Backsiphonage and D Pollutants | | | | | | | | |
and Contaminants
| |
When testing the check valve ob a SVB the water will not stop flowing What is the most
| | | | | | | | | | | | | | | | |
probabie cause
| |
(A) #2 shut off valve leaks by
| | | | |
(B) #1 shut off valve leaks by
| | | | |
(C) check valve is fouled | | |
(D) None of the above - ANSWER: #1 shut off valve leaks by
| | | | | | | | | | |
Which of the following could cause a closed system if installed in the sevice line
| | | | | | | | | | | | | |
(A) Hose bibb |
(B) Backflow Prevention Assembly | |
(C) venturi
(D) T & P valve - ANSWER: Backflow Prevention Assembly
| | | | | | | |
The critical level when testing the SVB is
| | | | | | |
(A) At the air inlet | | |
(B) At the #1 shutoff valve
| | | |
(C) At the vent screw
| | |
(D) there is on critical level - ANSWER: At the vent screw
| | | | | | | | | |
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During the test of the check valve on a Pvb water continues to flow from the #2 test
| | | | | | | | | | | | | | | | |
cock What is the most probabie
| | | | | |
(A) Leaking #1 shut off valve | | | |
(B) Fouied air inlet | |
(C) Fouied ckeck valve | |
(D) Incorrect test procedure - ANSWER: Leaking #1 shut off valve | | | | | | | | |
Which of the following backflow assmblies are allowable for use against a
| | | | | | | | | | |
contaminant when the backflow could be caused by backpressure
| | | | | | | | |
(A) Atmospheric vacuum breaker | |
(B) Doubie check valve assembly | | |
(C) Pressure vacuum breaker assembly | | |
(D) Redued pressure backflow assembly - ANSWER: Redued pressure backflow
| | | | | | | |
assembly
|
While testing a backflow device under the influence of direct cross connection it is
| | | | | | | | | | | | |
observed that the hazard preset is a pollutant Which assembly is appropriate for
| | | | | | | | | | | | |
protection
|
(A) AVB , PVB , Air Gap | | | | |
(B) RP , DC , SVB | | | |
(C) Air Gap , RP , DC | | | | |
(D) Barometric Loop - ANSWER: Air Gap , RP , DC | | | | | | | | |
How many test cocks are required on a RP
| | | | | | | |
