NM CID MS-12 Practice Questions - New Mexico CID MS-12 Fire Protection Systems Examination Exam

What component distinguishes a reduced-pressure principle backflow assembly from a double check valve assembly?

A single spring-loaded check valve and no test cocks A hydraulically operated differential relief valve located between two independently operating check valves An air inlet that opens only on the downstream side of the second check A water-motor gong piped off the supply side

Correct Answer:

A hydraulically operated differential relief valve located between two independently operating check valves

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