Question 1
Under the IPC adopted by North Carolina, what is the minimum slope for a 4-inch horizontal drain?
Correct Answer:
1/8 inch per foot
Question 2
Under the IPC, what is the DFU value for a standard water closet?
Correct Answer:
3 DFU
Question 3
Under the IPC, what is the minimum size of a building drain serving water closets?
Correct Answer:
3 inches
Question 4
Under the IPC, minimum vent pipe size is?
Correct Answer:
1-1/4 inches
Question 5
Under the IPC, max static water pressure in a building is?
Correct Answer:
80 psi
Question 1
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About this Exam

Prepare with the NC Plumbing Contractor Practice Questions - North Carolina Plumbing Contractor License Exam practice quiz. This question bank includes 100 questions covering north, carolina, adopted, water, and trap. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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NC Plumbing Contractor Practice Questions - North Carolina Plumbing Contractor License Exam

This practice set contains 100 questions from the matching question bank and focuses on north, carolina, adopted, water, and trap. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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