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Key Facts: IN Plumber Exam
Pass/Fail
Scoring
Prov CIB (cut score not published)
90
Questions
3 hours limit
$75
Exam Fee
Prov, Inc.
2006 IPC
Code Base
675 IAC 16-1.4
Indiana's journeyman plumber exam is administered by Prov, Inc. for the Indiana Professional Licensing Agency (PLA). The test consists of 90 open-book multiple-choice questions in 3 hours; Prov scores it pass/fail against an undisclosed cut score and does not publish a passing percentage. Content is based on the 2006 International Plumbing Code, 2nd printing, Indiana Edition, the 2012 Indiana Amendments (675 IAC 16-1.4), and a compilation of the Indiana Code and Indiana Administrative Code (IC 25-28.5 / 860 IAC).
Sample IN Plumber Practice Questions
Try these sample questions to review concepts for the IN Plumber exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 328+ question experience with AI tutoring.
1Under the IPC as adopted by Indiana, what is the minimum size of a building sewer?
2Per the IPC as adopted by Indiana, what is the minimum slope for a 4-inch horizontal drainage pipe?
3What is the DFU value for a residential water closet (1.6 gpf) under the IPC?
4Per the IPC as adopted by Indiana, what is the maximum distance between cleanouts on a horizontal drainage pipe?
5Under Indiana regulations, what type of backflow preventer is required for a high-hazard cross-connection?
6Per the IPC as adopted by Indiana, what is the minimum water supply pipe size for a bathtub with shower?
7What is the maximum water temperature setting for a residential water heater per the IPC?
8Per the IPC as adopted by Indiana, what is the minimum trap seal depth for a standard plumbing fixture?
9Under the IPC as adopted by Indiana, what is the minimum vent pipe size?
10Per the IPC as adopted by Indiana, what is the maximum static water pressure in a building distribution system?
About the IN Plumber Exam
Indiana journeyman plumber exam administered by Prov under the Indiana Plumbing Commission (PLA). Based on the 2006 International Plumbing Code, 2nd printing, Indiana Edition with the 2012 Indiana Amendments (675 IAC 16-1.4). 90 open-book multiple-choice questions with a 3-hour time limit.
Exam sponsor: Indiana Professional Licensing Agency (PLA) / Prov, Inc.. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Questions
90 questions
Time Limit
3 hours
Passing Score
Not published; Prov reports pass/fail against an undisclosed cut score
Reported exam pass rate: Not published by the Indiana Plumbing Commission or Prov. 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.
Vents
Vent sizing, developed lengths, terminals, wet venting, circuit venting, and AAVs
Sanitary Drainage
Drain sizing, DFU calculations, slope requirements, cleanouts, and sumps
Water Supply and Distribution
WSFU sizing, backflow prevention, pressure regulation, and piping materials
Fixtures
Fixture setting and clearances, minimum facilities, flushometer valves, traps, and interceptors
Developed Length/Isometric Analysis
Isometric drawing interpretation, riser diagrams, and 45-degree offset calculations
General Requirements
Piping protection, hanger spacing, structural notching and boring limits
Water Heaters
Water heater sizing, T&P relief valves, discharge piping, and combustion air
Storm Water Systems
Rainfall rates, roof drain sizing, vertical conductors, and horizontal storm drains
Indiana Business
Plumbing Commission statutes (IC 25-28.5), rules (860 IAC), permits, and safety
Preparing for the IN Plumber Exam
What You Need to Know
- Passing score: Not published; Prov reports pass/fail against an undisclosed cut score
- Exam length: 90 questions
- Time limit: 3 hours
- Exam / certification fees: $75 exam fee + $30 PLA application fee Official sources
Using Our Practice Resources
- Work through all 328 available questions
- Review every answer and explanation
- Track weak areas and revisit them
- Use our AI tutor for tough concepts
IN Plumber: Suggested Study Strategy
Frequently Asked Questions
What plumbing code is tested on the Indiana Journeyman Plumber exam?
The Indiana Journeyman Plumber examination tests the 2006 International Plumbing Code (Indiana Edition) incorporating the 2012 Indiana Amendments (675 IAC 16-1.4), alongside Indiana statutes (IC 25-28.5) and Plumbing Commission rules (860 IAC).
Who administers the Indiana plumber exam?
The exam is developed and administered by Prov, Inc. under contract with the Indiana Plumbing Commission within the Indiana Professional Licensing Agency (PLA).
How many questions are on the Indiana plumber exam and what is the passing score?
The Indiana Journeyman Plumber exam consists of 90 multiple-choice questions with a 3-hour (180-minute) time limit. Prov grades it immediately and reports pass or fail; the cut score is not published, and passing candidates receive no numerical grade.
Is the Indiana Journeyman Plumber exam open book?
Yes. The examination is open book. Candidates may bring approved reference books specified in the Prov Candidate Information Bulletin, including the 2006 IPC (Indiana Edition) and 2012 Indiana Amendments.