Practice test

Idaho Plumbing Practice 2

Practice 2 for Plumbing Exam learners in Idaho: 25 questions, explained answers, and a review routine.

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Question 1

1

What is the assigned WSFU value commonly used for a private bathroom group (water closet, lavatory, tub/shower)?

Question 2

2

A pressure-reducing valve (PRV) is installed for what reason?

Question 3

3

Which device protects against backflow on a lawn irrigation system that may contain fertilizer chemicals?

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