CIC Practice Questions - Certified Irrigation Contractor Exam

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What is the minimum distance a pressure vacuum breaker (PVB) must be installed above the highest downstream irrigation head according to standard cross-connection control guidelines?

6 inches above the highest downstream outlet 12 inches above the highest downstream outlet At the same elevation as the highest outlet 18 inches below grade at the meter

Correct Answer:

6 inches above the highest downstream outlet

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