Question 1
Under Oklahoma's adoption of the IPC, what is the minimum size drain pipe permitted for a water closet?
Correct Answer:
3 inches
Question 2
According to Oklahoma plumbing regulations enforced by the Construction Industries Board, what is the minimum slope required for a 4-inch horizontal drainage pipe?
Correct Answer:
1/8 inch per foot
Question 3
What is the maximum distance a P-trap can be located from the vent fitting it serves under Oklahoma's IPC adoption?
Correct Answer:
The developed length cannot exceed the values in Table 906.1 based on trap size
Question 4
In Oklahoma, what type of backflow preventer is required to protect the potable water supply from a high-hazard cross-connection?
Correct Answer:
Reduced pressure zone (RPZ) backflow preventer
Question 5
Under the IPC as enforced in Oklahoma, what is the DFU (Drainage Fixture Unit) value assigned to a residential water closet with a 1.6 GPF flush?
Correct Answer:
3 DFU
Question 1
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Prepare with the OK Plumber Practice Questions - Oklahoma Journeyman Plumber License Exam practice quiz. This question bank includes 100 questions covering oklahoma, minimum, water, pipe, and adopted. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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OK Plumber Practice Questions - Oklahoma Journeyman Plumber License Exam

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