Plumbing NC I Practice Questions - TESDA Plumbing NC I Competency Assessment Exam

Which jointing material is specified in the TR for ensuring leak-free threaded pipe connections?

Teflon tape or other related jointing materials applied to the threads Electrical tape wrapped around the outside of the fitting Gasoline applied to the threads as a lubricant only Chalk stone packed into the joint hub

Correct Answer:

Teflon tape or other related jointing materials applied to the threads

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