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Backflow Prevention Practice Exam 2 Exam (elaborations) BACKFLOW TROUBLESHOOTING QUIZ 3 Exam (elaborations) SAMPLE EXAM QUESTIONS AND RECOMMENDED REFERENCES FOR ABC S BACKFLOW PREVENTION ASSEMBLY TEST OR EXAM 4 Exam (elaborations) BACKFLOW PRACTICE EXAM 5 Exam (elaborations) BACKFLOW EXAM QUEST...

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Backflow Prevention Practice Exam

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Containing a plumbing system from the public water supply requires backflow protection at the _______? A. Appliance or fixture B. Building foundation C. Irrigation system D. Service Connection E. Sprinkler riser - Answer-Service Connection Backflow preventer manufacturers recommend that asse...

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BACKFLOW TROUBLESHOOTING QUIZ

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While field testing the check valve of a pressure vacuum breaker, water continues to flow from the # 2 test cock . How do you proceed ? - Answer-Open the bleed off valve until the flow slows to a slight drip. Well field testing the first check valve of a double check valve assembly, water continu...

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SAMPLE EXAM QUESTIONS AND RECOMMENDED REFERENCES FOR ABC'S BACKFLOW PREVENTION ASSEMBLY TEST OR EXAM

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What is the pressure at the base of a 100 foot high standpipe filled with water? - Answer-43.3 psi A column of water exerts pressure at the bottom of a column due to - Answer-Weight of the water What is the primary consideration when deciding whether to install a reduced pressure or a double v...

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BACKFLOW PRACTICE EXAM

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1) Backflow is the undesirable reversal of flow of water or other substances through a cross connection into the public water system or consumer's: - Answer-C. Public water system or consumer's portable water system 2) An approved airgap (AG) is a physical separation between the free-flowing en...

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BACKFLOW EXAM QUESTION AND ANSWERS

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Double Check Valve Assembly - Answer-A testable mechanical device consisting of two independently operating, spring-loaded check valves, four test cocks, and two full port shut off valves the purpose of an ASSE 1018 trap primer is to - Answer-maintain a trap seal a laboratory faucet vacuum bre...

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BACKFLOW PREVENTION DEVICES "TROUBLESHOOTING QUESTIONS"

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When testing that air inlet in a pressure vacuum breaker, the bleed valve assembly for shut off valve leakage is installed on: - Answer-(B) The number 1test cock. When testing the air inlet and a pressure vacuum breaker, if the high side believe needle valve must be open more than a quarter turn,...

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BACKFLOW TESTER EXAM

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A double check valve assembly is installed 12 above the floor for? - Answer-Maintenance A low hazard Backflow preventer is a? - Answer-Double Check valve assembly A field test report for a double check will include the manufacturer name, model, size and ?? - Answer-Serial number Double chec...

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back flow test practice test

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What is the difference between check valve 1 and check valve 2 on a double check valve assembly - answer-the two check valves operate the same In a perfect vacuum, water can be drawn up in a column _______ feet - answer-33.9 Which of the following is considered to be a chemical contaminant? - ...

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BACKFLOW EXAM QUESTIONS AND ANSWERS

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1. The Safe Drinking Act places the responsibility for safe water upon the: a. Building Official b. Water purveyor c. Water user d. Health Department - Answer-b. Water Purveyor 2. Two things must be present for backflow to occur: a. Link and force b. Direct and indirect c. Pressure and S...

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BACK FLOW PRACTICE TEST

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The unintentional reversal of flow in a potable water system which may result in contamination or pollution of the system. A. cross connection B. backflow C. backpressure backgflow D. backsiphonage backflow - Answer-B. Backflow A device installed in the potable water supply to a system that ...

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BACK-FLOW REVIEW QUESTIONS AND ANSWERS

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Reversal in the normal direction of flow is called ______________________ - Answer-backflow A cross-connection is a __________ between the potable water system and some other non-potable system or source. - Answer-link Potable water is safe for________________ - Answer-chemically/biologically/...

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BACKFLOW PREVENTION FINAL EXAM QUESTIONS AND ANSWERS

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1. Backflow is defined as: a) the pressure in the distribution piping of the potable water supply b) the undesirable reversal of water, other liquids, gases or substances in the distribution pipes of the potable water supply c) high pressure in the pipes of the water user d) excess pressure ...

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BACKFLOW FINAL EXAM QUESTIONS AND ANSWERS

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All the following are required parts of an atmospheric vacuum breaker (asse1001) except a Air inlet float valve The body Air canopy Shutoff valve - Answer-Shutoff valve A single check valve for a backflow prevention is acceptable For low hazard For non-hazard residential appli...

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