DC Plumber Practice Questions - District Of Columbia Journeyman Plumber License Exam

Per the IPC, what test is required for a DWV system before concealment?

15 psi air test for 15 minutes 5 psi air test or 10-foot head water test for 15 minutes 50 psi water test for 30 minutes 10 psi air test for 10 minutes

Correct Answer:

5 psi air test or 10-foot head water test for 15 minutes

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