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Pressure Vacuum Breaker Assemblies Exam UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

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Pressure Vacuum Breaker Assemblies Exam UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS 1. The hydraulic purpose of a vacuum breaker is to prevent : a . Backpressure b . Contamination c . Isolation d . Pollution e . A siphon - CORRECT ANSWER E 2. The device not permitted downstream of a pressure vacuum breaker is a : a . Bucket b . Piping c . Pressure gauge d . Sprinkler head e . Well supply - CORRECT ANSWER 3. A pressure vacuum breaker assembly may be used on the following except : a . Backsiphonage b . Building containment c . Continuous use d . Isolation - pollution e . Isolation- contamination - CORRECT ANSWER B 4. A pressure vacuum breaker is not permitted for use with : a . Backsiphonage b . Containments C. Elevated downstream piping d . Pollutants - CORRECT ANSWER E C 5. The critical installation level elevation for a pressure type vacuum breaker is : a . 1 " b . 6 " C. 12 " d . 18 " e . 24 " - CORRECT ANSWER C 6. The # 1 test cock of a pressure type vacuum breaker is located at the : a . Inlet of shut - off valve # 1 b . Outlet of shut - off valve # 1 C. Outlet of check valve # 1 d . Inlet of air - inlet valve e . Inlet of shut - off valve # 2 - CORRECT ANSWER B 7. The air - inlet valve of a pressure vacuum breaker is open when the water pressure reaches : a . -1 psig b . O psig C. 1 psig d . 1.1 psig e . 10 psig - CORRECT ANSWER C

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Pressure Vacuum Breaker Assemblies
Exam UPDATED ACTUAL QUESTIONS
AND CORRECT ANSWERS
1. The hydraulic purpose of a vacuum breaker is to prevent : a . Backpressure b .
Contamination c . Isolation d . Pollution e . A siphon - CORRECT ANSWER E



2. The device not permitted downstream of a pressure vacuum breaker is a : a . Bucket b .
Piping c . Pressure gauge d . Sprinkler head e . Well supply - CORRECT ANSWER E



3. A pressure vacuum breaker assembly may be used on the following except : a .
Backsiphonage b . Building containment c . Continuous use d . Isolation - pollution e .
Isolation- contamination - CORRECT ANSWER B



4. A pressure vacuum breaker is not permitted for use with : a . Backsiphonage b .
Containments C. Elevated downstream piping d . Pollutants - CORRECT ANSWER C



5. The critical installation level elevation for a pressure type vacuum breaker is : a . 1 " b . 6 "
C. 12 " d . 18 " e . 24 " - CORRECT ANSWER C



6. The # 1 test cock of a pressure type vacuum breaker is located at the : a . Inlet of shut - off
valve # 1 b . Outlet of shut - off valve # 1 C. Outlet of check valve # 1 d . Inlet of air - inlet
valve e . Inlet of shut - off valve # 2 - CORRECT ANSWER B



7. The air - inlet valve of a pressure vacuum breaker is open when the water pressure reaches
: a . -1 psig b . O psig C. 1 psig d . 1.1 psig e . 10 psig - CORRECT ANSWER C



8. The critical installation level for a 2 " pressure type vacuum breaker is : a . 2 " b . 3 " C. 6 "
d . 12 " e . 18 " - CORRECT ANSWER D
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