About OR-JP Exam Prep
An independent practice platform for the Oregon Journeyman Plumber License Exam (OR-JP) exam - real questions across every exam domain, each with a plain-language explanation.
What's on the OR-JP exam
The Oregon Journeyman Plumber License Exam (OR-JP) exam is organized into 6 knowledge domains. It has 64 questions and is completed in 4 hours. Here is what it covers:
- Understanding of engineering and architectural drawings and plans sufficient to prepare a bill of materials and lay out a plumbing system
- Ability to compute areas of regular plane figures, volumes of regular solids, slopes, offsets, clearances, and weights of piping
- Selection and use of tools, materials and techniques commonly used in the plumbing trade
- The Plumbing Specialty Code, administrative rules relating to plumbing and plumbers and general scientific principles covering hydraulics
- A general knowledge of construction job safety and occupational safety standards
- A basic understanding of disabled access provisions of the Oregon Structural Specialty Code related to plumbing
Every practice question on this site is organized across these 6 domains, so your study tracks the real exam structure instead of guesswork. As you answer, the per-domain analytics surface the areas still costing you points, so your review goes where it moves your score.
What we believe good exam prep looks like
Realistic practice beats passive reading. Every question is written to mirror the style and difficulty of the real exam, with a clear explanation of why the right answer is right and the others aren't.
Your weak spots should find you. Domain analytics, mistake review, and re-drilling are built in, so study time goes where it moves your score.
Pricing should be simple. One payment for a fixed access window matched to your exam date. No subscription, no auto-renewal, and 10 free questions to try before you spend anything.
Get in touch
Questions, feedback, or something not working? Email support@boardmentor.study - candidate messages are read and answered.