Florida Drinking Water Operator "B" Practice Test

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Study for the Florida Drinking Water Operator "B" Test. Use multiple choice questions, flashcards, and explanations to prepare. Ace your certification!

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What is the best backflow control device for protecting a potable water line from contamination?

  1. Check valve

  2. Air gap

  3. Vacuum breaker

  4. Pressure relief valve

The correct answer is: Air gap

The best backflow control device for protecting a potable water line from contamination is the air gap. This device consists of a physical separation between the water supply and the receiving vessel, ensuring that there is no direct connection that could allow contaminants from the receiving source to flow back into the potable water system. The air gap effectively eliminates the possibility of back

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