National Plumbing Code of Canada Practice Test

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

From $25.99Unlock all

1 / 20

In what scenario is a plumbing trap required?

?

For the purpose of preventing sewer gases from escaping into occupied spaces

Subscribe

Get the latest from Passetra

You can unsubscribe at any time. Read our privacy policy