Design, material, and operational standards for DCVA & RPBA are
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found in the - CORRECT ANSWERS ✔✔AWWA standards
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Approved backflow prevention assemblies must be designed to
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be - CORRECT ANSWERS ✔✔disassembled and repaired in line for
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all sizes
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Check valves must be internally loaded and must be drip-tight -
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CORRECT ANSWERS ✔✔in the direction of flow with a minimum
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of 1 psi differential
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The maximum allowable pressure loss through a 3/4" DCVA is -
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CORRECT ANSWERS ✔✔10 psi |\ |\ |\
The maximum allowable pressure loss through a 3/4" RPBA is -
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CORRECT ANSWERS ✔✔20 psi |\ |\ |\
The markings required to be on all approved backflow prevention
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assemblies include - CORRECT ANSWERS ✔✔make, model,
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direction of flow, & MWP |\ |\ |\ |\
As part of an inspection of the assembly a BAT must determine -
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CORRECT ANSWERS ✔✔if the assembly is currently listed and
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approved for the orientation that it is installed
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, A cross-connection is defined as any actual or potential physical
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connection between a public potable water system or the
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consumer's potable water system and any source of non-potable
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liquid, solid, or gas that could the potable water supply by
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backflow - CORRECT ANSWERS ✔✔contaminate
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The undesirable reversal of flow of water or other substances
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through a cross- connection into the public water system or
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consumer's potable water system is - CORRECT ANSWERS |\ |\ |\ |\ |\ |\ |\ |\
✔✔backflow
Backsiphonage backflow is defined as backflow due to a |\ |\ |\ |\ |\ |\ |\ |\ |\
reduction in system pressure. What else must be present for -
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CORRECT ANSWERS ✔✔an opening to atmosphere|\ |\ |\ |\ |\
Which of the following may cause backpressure backflow? -
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CORRECT ANSWERS ✔✔any of the above (elevated piping,
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pumps, hot water tanks) |\ |\ |\
A direct cross-connection is subject to - CORRECT ANSWERS
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✔✔both backsiphonage and backpressure
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An approved air gap is a physical separation between - CORRECT
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ANSWERS ✔✔the end of the potable water supply pipe and the
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overflow rim of the receiving vessel, a distance of at least 2
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times supply pipe diameter and never less than 1"
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