NM CID MM-1 Practice Questions - New Mexico CID MM-1 Plumbing Examination Exam

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Upon completion of a hot-and-cold water-supply section, UPC 2021 Section 609.4 requires the piping to be tested and proved tight under a water pressure not less than:

10 feet of head for 15 minutes 5 psi air for 15 minutes 25 psi air regardless of working pressure The working pressure under which it is to be used, with the test water from a potable source

Correct Answer:

The working pressure under which it is to be used, with the test water from a potable source

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