CIC Practice Questions - Certified Irrigation Contractor Exam

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A reduced-pressure zone (RPZ) backflow preventer conforming to ASSE 1013 contains which key internal component that distinguishes it from a double-check valve assembly?

A relief valve that opens to atmosphere between the two check valves A vacuum breaker vented to atmosphere downstream of the second check A pressure-reducing valve upstream of both check valves A strainer rated for 200 mesh installed before the first check

Correct Answer:

A relief valve that opens to atmosphere between the two check valves

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