ND Journeyman Plumber Practice Questions - North Dakota Journeyman Plumber License Exam

Under the IPC adopted by North Dakota, the water supply test is?

100 psi/15 min Working pressure +50% for 15 min, min 40 psi 80 psi/1 hour 50 psi/30 min

Correct Answer:

Working pressure +50% for 15 min, min 40 psi

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