Question 1
Under the IRC, who has the authority to grant modifications from strict compliance with the plumbing provisions?
Correct Answer:
The building official
Question 2
Which of the following plumbing work typically requires a permit under the IRC?
Correct Answer:
Replacing a water heater
Question 3
What is the minimum required test pressure for a DWV system using a water test per the IRC?
Correct Answer:
10 feet of head
Question 4
Per the IRC, what is the minimum required test pressure for testing a water supply system with air?
Correct Answer:
50 psi
Question 5
Plastic piping penetrating a fire-resistance-rated wall assembly must be protected by what means per the IRC?
Correct Answer:
An approved through-penetration firestop system
Question 1
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About this Exam

Prepare with the ICC P1 Practice Questions - ICC Residential Plumbing Inspector (P1) Exam practice quiz. This question bank includes 100 questions covering water, minimum, installed, pipe, and heater. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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ICC P1 Practice Questions - ICC Residential Plumbing Inspector (P1) Exam

This practice set contains 100 questions from the matching question bank and focuses on water, minimum, installed, pipe, and heater. 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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