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

For caulked cast iron (CI) pipe joints, to what minimum depth must joints be firmly packed and fitted?

Not less than 25.4 mm Not less than 12.7 mm Exactly 50.8 mm regardless of pipe size Until the joint is flush with the outside of the pipe only

Correct Answer:

Not less than 25.4 mm

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