Question 1
Under the 2024 UPC as adopted in Iowa, how is the minimum building sewer size determined?
Correct Answer:
It is based on drainage load and cannot be smaller than the building drain
Question 2
What slope applies to a 4-inch horizontal drainage pipe under the 2024 UPC?
Correct Answer:
1/4 inch per foot, unless the AHJ approves 1/8 inch where 1/4 inch is impractical
Question 3
What DFU value does the 2024 UPC assign to a private 1.6-gpf water closet?
Correct Answer:
3
Question 4
Per the Iowa State Plumbing Code (UPC), what is the maximum distance between cleanouts on a horizontal drainage pipe?
Correct Answer:
100 feet
Question 5
Which containment protection does Iowa require for a high-hazard public water service?
Correct Answer:
An air gap or approved reduced-pressure-principle assembly
Question 1
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Prepare with the IA Plumber Practice Questions - Iowa Journeyman Plumber License Exam practice quiz. This question bank includes 100 questions covering iowa, plumbing, minimum, state, and code. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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IA Plumber Practice Questions - Iowa Journeyman Plumber License Exam

This practice set contains 100 questions from the matching question bank and focuses on iowa, plumbing, minimum, state, and code. 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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