Plumber Exam Practice
Journeyman Plumber — IPC-based, accepted in most states.
508 practice questions · Code · Drainage · Sizing
Questions
80
Time
4 h
To pass
70%
Format
Open book
PSI / Prov (varies)
Content areas
Blueprint weight and how many practice questions each area carries.
- Water Supply & Distribution18% · 103 questions
- Sanitary Drainage18% · 87 questions
- Venting15% · 69 questions
- Fixtures & Fixture Fittings12% · 55 questions
- Materials, Joints & Supports12% · 55 questions
- Traps, Interceptors & Separators10% · 46 questions
- Fuel Gas Piping8% · 53 questions
- General Regulations & Administration7% · 40 questions
Frequently asked questions
How many questions is the Plumber exam?
80 multiple-choice questions with a 4-hour time limit.
What score do you need to pass?
56 of 80 correct — 70%.
Is the Plumber exam open book?
Yes — administered by PSI / Prov (varies), and the code book is allowed at the desk, so fast, accurate lookups are a scored skill worth drilling.
Are these practice questions free?
Yes. 508 questions are browsable by content area with full explanations, and the free practice test needs no signup.
Practice the full 508-question bank
Timed mock exams, a wrong book and progress that syncs with the app — one subscription covers every contractor exam line.
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