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100+ Free AK Plumber Practice Questions

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2026 Statistics

Key Facts: AK Plumber Exam

70%

Passing Score

AK Dept of Labor

100

Questions

3-hour time limit

$350+

Total Cost

$150 exam + $200 license

UPC

Code Basis

Uniform Plumbing Code

Alaska's journeyman plumber exam has approximately a 58% pass rate. The 100-question exam requires 70% to pass and is based on the UPC. Alaska requires apprenticeship completion or equivalent experience. The exam includes UPC code knowledge plus Alaska-specific arctic plumbing requirements.

About the AK Plumber Exam

The Alaska journeyman plumber exam is administered by PSI on behalf of the Department of Labor. It tests knowledge of the UPC, drainage systems, water supply, venting, gas piping, and Alaska-specific requirements for arctic plumbing including freeze protection across approximately 100 multiple-choice questions.

Questions

100 scored questions

Time Limit

3 hours

Passing Score

70%

Exam Fee

$150 + $200 license (Alaska Department of Labor & Workforce Development)

AK Plumber Exam Content Outline

25%

Drainage, Waste & Vent Systems

UPC drain sizing, fixture units, slope requirements, cleanouts, trap seals, and DWV installation per Alaska amendments

25%

Water Supply & Distribution

Pipe sizing, backflow prevention, cross-connection control, water heaters, pressure regulation, and freeze protection

20%

Venting Systems

Vent sizing, wet venting, circuit venting, air admittance valves, vent termination heights in snow regions

15%

Gas Piping & Appliances

Gas pipe sizing, BTU calculations, pressure testing, appliance venting, combustion air requirements

15%

Code Administration & Arctic Plumbing

Permits, inspections, approved materials, joint methods, freeze protection, heat tracing, and Alaska-specific rules

How to Pass the AK Plumber Exam

What You Need to Know

  • Passing score: 70%
  • Exam length: 100 questions
  • Time limit: 3 hours
  • Exam fee: $150 + $200 license

Keys to Passing

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

AK Plumber Study Tips from Top Performers

1Master UPC drain sizing tables and fixture unit calculations — these are heavily tested on the Alaska exam
2Study Alaska-specific freeze protection requirements including heat tracing and insulation standards
3Memorize minimum pipe sizes, trap sizes, and vent sizes for common residential fixtures under the UPC
4Practice gas pipe sizing using fuel gas code tables including BTU demand calculations
5Review vent termination requirements for snow areas — Alaska requires increased heights above roofs

Frequently Asked Questions

What plumbing code does Alaska use?

Alaska uses the Uniform Plumbing Code (UPC) with state-specific amendments. The Alaska Department of Labor & Workforce Development oversees plumbing licensing. The exam is based on the current adopted UPC edition plus Alaska-specific arctic plumbing requirements.

How many questions are on the Alaska plumber exam?

The Alaska journeyman plumber exam has approximately 100 multiple-choice questions with a 3-hour time limit. A score of 70% is required to pass.

Who administers the Alaska plumber exam?

The exam is administered by PSI on behalf of the Alaska Department of Labor & Workforce Development. You must apply through the Department and schedule through PSI's testing system.

Does Alaska have special plumbing requirements for cold weather?

Yes, Alaska has additional requirements for freeze protection including insulation, heat tracing, and deeper burial depths. Water and sewer piping must be protected against freezing based on local frost line conditions, which vary significantly across the state.