What is the definition of 'backflow' in a plumbing system?

What is the definition of 'backflow' in a

Multiple choice — select the best answer

AThe reversal of normal flow direction in a piping system
BThe forward flow of water under high pressure
CThe flow of water from a storage tank to the distribution system
DThe discharge of water through a pressure relief valve

✓ Correct answer: A. The reversal of normal flow direction in a piping system Backflow is the undesirable reversal of flow in a piping system, which can allow contaminants to enter the potable water supply. Understanding this basic definition is foundational to cross-connection control.

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Topic: Backflow & Cross-Connection

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What is the definition of 'backflow' in a plumbing system?

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