Free Practice Questions for NH Journeyman Plumber
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Key Facts: NH Journeyman Plumber Exam
70%
Passing Score
NH Mechanical Safety Board
85
Questions
Prometric exam
$270+
Total Cost
$190 exam + $80-100 license
IPC 2018
Code Edition
NH adoption
The NH journeyman plumber exam has 85 questions in 3 hours requiring 70% to pass. NH uses the IPC 2018 and the exam is administered by Prometric. The exam fee is $190 plus $80-100 for the license. The master exam is separate with 100 questions requiring 75%.
Sample NH Journeyman Plumber Practice Questions
Try these sample questions to review concepts for the NH 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 2018 adopted by New Hampshire, what is the minimum slope required for a 4-inch horizontal drainage pipe?
2New Hampshire's journeyman plumber exam is administered by which testing organization?
3Under the IPC 2018, what is the DFU value for a standard water closet (1.6 GPF)?
4Under the IPC 2018, what is the minimum building sewer size when water closets are connected?
5Under the IPC 2018, what is the minimum vent pipe size?
6Under the IPC 2018, what is the maximum static water pressure in a building distribution system?
7Under the IPC 2018, what type of backflow prevention is required for a high-hazard cross-connection?
8Under the IPC 2018, what is the minimum trap seal depth?
9Under the IPC 2018, what is the minimum trap size for a residential lavatory?
10Under the IPC 2018, what material is NOT approved for underground drainage?
About the NH Journeyman Plumber Exam
New Hampshire's journeyman plumber exam is administered by Prometric on behalf of the Mechanical Safety & Licensing Board. The exam has 85 questions with a 3-hour time limit and requires 70% to pass. NH uses the IPC 2018 edition. The master plumber exam is separate with 100 questions and requires 75%.
Exam sponsor: NH Mechanical Safety & Licensing Board (Prometric). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Questions
85 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.
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 2018 drainage pipe sizing, DFU calculations, slope requirements, cleanouts, and trap arm distances
Venting Systems
Vent sizing, wet venting, AAVs, vent termination, circuit venting per IPC 2018
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 NH-specific requirements
Preparing for the NH Journeyman Plumber Exam
What You Need to Know
- Passing score: 70%
- Exam length: 85 questions
- Time limit: 3 hours
- Exam / certification fees: $190 + $80-100 license 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
NH Journeyman Plumber: Suggested Study Strategy
Frequently Asked Questions
What plumbing code does New Hampshire use?
New Hampshire uses the International Plumbing Code (IPC) 2018 edition. The exam tests IPC knowledge including drainage, venting, water supply, gas piping, and fixture installation requirements.
What is the difference between NH journeyman and master plumber exams?
The journeyman exam has 85 questions requiring 70% to pass. The master exam has 100 questions requiring 75% to pass. Both have 3-hour time limits and are administered by Prometric.
How much does the NH plumber exam cost?
The exam fee is approximately $190 paid to Prometric, plus $80-100 for the license fee to the NH Mechanical Safety & Licensing Board.
Does NH have cold-climate plumbing requirements?
Yes, New Hampshire's cold winters require frost protection for underground piping, proper vent terminal heights above snow lines, and consideration of freeze protection for water supply systems.