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100+ Free IN Plumber Practice Questions

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2026 Statistics

Key Facts: IN Plumber Exam

70%

Passing Score

Indiana Professional Licensing Agency (PLA)

90

Questions

3 hours limit

$30-100

Exam Fee

Prov (formerly PSI)

IPC

Code Base

Indiana adoption

Indiana's journeyman plumber exam is based on the IPC and administered by Prov (formerly PSI). Indiana uses the IPC with state amendments. The exam is administered by Prov (formerly PSI). Indiana has one of the lowest exam fees in the country. The exam requires 70% to pass and tests drainage, water supply, venting, gas piping, and fixture knowledge.

About the IN Plumber Exam

Indiana journeyman plumber exam administered by Prov under the Professional Licensing Agency. Based on the International Plumbing Code (IPC). 80-100 multiple-choice questions with a 3-hour time limit requiring 70% to pass.

Questions

90 scored questions

Time Limit

3 hours

Passing Score

70%

Exam Fee

$30-100 (Indiana Professional Licensing Agency (PLA))

IN Plumber Exam Content Outline

25%

Drainage & Waste Systems

Drain sizing, DFU calculations, slope requirements, cleanouts per IPC

20%

Water Supply & Distribution

Pipe sizing, backflow prevention, water heaters, pressure regulation per IPC

20%

Venting Systems

Vent sizing, wet venting, AAVs, vent termination, circuit venting per IPC

15%

Gas Piping

Gas pipe sizing, appliance venting, pressure testing, BTU calculations per IFGC

20%

Fixtures, Materials & Indiana Code

Fixture installation, materials, joints, permits, inspections, and Indiana-specific requirements

How to Pass the IN Plumber Exam

What You Need to Know

  • Passing score: 70%
  • Exam length: 90 questions
  • Time limit: 3 hours
  • Exam fee: $30-100

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

IN Plumber Study Tips from Top Performers

1Master IPC drainage fixture unit (DFU) values and pipe sizing tables
2Study backflow prevention device selection and cross-connection control
3Memorize minimum pipe sizes, slopes, and clearances for common fixtures
4Practice gas pipe sizing calculations using IFGC tables
5Understand wet venting and circuit venting provisions in the IPC
6Learn Indiana-specific permit and inspection requirements

Frequently Asked Questions

What code does Indiana use for the plumber exam?

Indiana uses the IPC. The exam covers drainage, venting, water supply, gas piping, and fixture requirements as adopted by the state.

Who administers the Indiana plumber exam?

The exam is administered by Prov (formerly PSI) under the Indiana Professional Licensing Agency (PLA).

How many questions are on the Indiana plumber exam?

The Indiana plumber exam has approximately 90 questions with a 3 hours time limit. A score of 70% is required to pass.

Is the IN plumber exam open book?

Most Prov (formerly PSI)-administered plumber exams allow a bound copy of the adopted code. Check with the Indiana Professional Licensing Agency (PLA) for approved reference materials.