NM CID MM-2 Practice Questions - New Mexico CID MM-2 Natural Gas Fitting Examination Exam

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A hydronic heating loop will operate at 30 psi. What pressure-test rule does 14.9.2.20 NMAC substitute for the first sentence of UMC 1205.2?

A hydrostatic or air test of not less than 1.5 times operating pressure A 10 psi air test for 15 minutes only No test is required if the boiler is listed A 200 psi hydrostatic test on every residential loop

Correct Answer:

A hydrostatic or air test of not less than 1.5 times operating pressure

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