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Key Facts: ND Journeyman Plumber Exam
70%
Passing Score
ND State Plumbing Board
~80
Questions
PSI exam
$25-150
Exam Fee
ND Plumbing Board
IPC
Code
International Plumbing Code
The ND journeyman plumber exam has approximately 80 questions with a 3-hour time limit requiring 70% to pass. ND uses the IPC and the exam is administered by PSI. Exam fees range from $25-150. ND's cold climate requires attention to frost protection and freeze-prevention requirements.
Sample ND Journeyman Plumber Practice Questions
Try these sample questions to review concepts for the ND Journeyman Plumber exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 298+ question experience with AI tutoring.
1Under the IPC adopted by North Dakota, what is the minimum slope for a 4-inch horizontal drain?
2Under the IPC, what is the DFU value for a standard water closet?
3Under the IPC, minimum building sewer with water closets is?
4Under the IPC, minimum vent pipe size is?
5Under the IPC, max static water pressure in a building is?
6Under the IPC, high-hazard cross-connections require what backflow device?
7Under the IPC, minimum trap seal depth is?
8Under the IPC, minimum lavatory trap size is?
9Under the IPC, minimum building water service is?
10Under the IPC, what material is NOT approved for underground drainage?
About the ND Journeyman Plumber Exam
North Dakota's journeyman plumber exam is administered by PSI on behalf of the State Plumbing Board. The exam covers IPC code knowledge with approximately 80 questions in 3 hours. ND uses the IPC and requires 70% to pass.
Exam sponsor: ND State Plumbing Board (PSI). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Questions
80 questions
Time Limit
3 hours
Passing Score
70%
Reported exam pass rate: ~55%. This describes exam candidates, not OpenExamPrep users or results from using our resources. Exam sponsor website
Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Official sources
Our practice resources: topics covered
We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.
Drainage, Waste & Vent Systems
IPC drainage pipe sizing, DFU calculations, slope requirements, cleanouts, and trap arm distances
Venting Systems
Vent sizing, wet venting, AAVs, vent termination, and circuit venting per IPC
Water Supply & Backflow Prevention
Water pipe sizing, WSFU calculations, backflow prevention, pressure regulation, and cross-connection control
Gas Piping & Venting
Gas pipe sizing, BTUH calculations, pressure testing, combustion air, and appliance venting
Fixtures, Materials & Code Administration
Fixture installation, clearances, materials, permits, inspections, and ND-specific cold-climate requirements
Preparing for the ND Journeyman Plumber Exam
What You Need to Know
- Passing score: 70%
- Exam length: 80 questions
- Time limit: 3 hours
- Exam / certification fees: $25-150 Official sources
Using Our Practice Resources
- Work through all 298 available questions
- Review every answer and explanation
- Track weak areas and revisit them
- Use our AI tutor for tough concepts
ND Journeyman Plumber: Suggested Study Strategy
Frequently Asked Questions
What plumbing code does North Dakota use?
North Dakota uses the International Plumbing Code (IPC). The exam tests IPC knowledge including drainage, venting, water supply, gas piping, and fixture installation requirements.
How many questions are on the ND plumber exam?
The ND journeyman plumber exam has approximately 80 questions with a 3-hour time limit. A 70% score is required to pass. The exam is administered by PSI.
How much does the ND plumber exam cost?
ND plumber exam fees range from $25-150 depending on the application and exam type. Contact the ND State Plumbing Board for current fee schedules.
Does ND have cold-climate plumbing requirements?
Yes, North Dakota's extreme cold requires deep frost protection for underground piping, increased vent terminal heights above snow lines, and freeze protection for water supply systems. These topics are tested on the exam.