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BACKFLOW PREVENTION TEST BANK PRACTICE QUESTIONS SOLUTIONS DETAILED EXPLANATIONS VERIFIED

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BACKFLOW PREVENTION TEST BANK PRACTICE QUESTIONS SOLUTIONS DETAILED EXPLANATIONS VERIFIED

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BACKFLOW PREVENTION TEST BANK
PRACTICE QUESTIONS SOLUTIONS
DETAILED EXPLANATIONS VERIFIED

●● What are the two types of backflow?
Answer: Backpressure and backsiphonage.


●● What causes backsiphonage?
Answer: Negative pressure in the supply line.


●● Which device provides the highest level of protection?
Answer: Reduced Pressure Zone (RPZ) Assembly.


●● Where is a Double Check Valve Assembly (DCVA) used?
Answer: Low hazard (non-health hazard) systems.


●● A Pressure Vacuum Breaker (PVB) protects against what?
Answer: Backsiphonage only.


●● What is a cross-connection?
Answer: A connection between potable and non-potable systems.

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