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Journeyman Gas Fitter Practice Exam

186 questions available

The Journeyman Gas Fitter Practice Exam is a comprehensive assessment tool designed for aspiring and current gas fitting professionals seeking to validate their technical expertise and advance their careers. This practice exam covers the critical knowledge domains required for licensure, including the installation, maintenance, and repair of gas piping systems, fixtures, and appliances. With 186 questions, it mirrors the rigor of official certification exams, focusing on the International Plumbing Code (IPC) and Uniform Plumbing Code (UPC), as well as OSHA safety requirements. Earning a Journeyman Gas Fitter certification demonstrates a mastery of gas system design, pressure testing, venting, and combustion safety-skills that are in high demand across residential, commercial, and industrial sectors. This credential not only enhances job security but also opens doors to higher wages, supervisory roles, and union recognition. The practice exam helps candidates identify knowledge gaps, build test-taking confidence, and ensure compliance with industry standards. By simulating real exam conditions, it prepares professionals to handle complex scenarios involving gas meter installations, pipe sizing, and emergency shut-off protocols. For employers, a certified journeyman signifies reliability and technical competence, reducing liability and improving project outcomes. This practice exam is an essential step toward achieving full licensure and establishing yourself as a trusted expert in the gas fitting trade.

186 Practice Questions
3 hours 6 minutes Practice Time
Start Practice
The bar to clear 70/36) Official passing score. Aim higher in practice before you book.
Official objectives from Plumber Licensing
Plumber Licensing186 practice questionsBlueprint 1.0Bank updated 2026-06-21

Sample Questions

Try a few questions to see what the full exam is like.

Controls and Electrical Systems

An outdoor reset sensor is mounted above a dryer vent on a sunny wall. The work also involves a 140,000 BTU/h boiler in a small commercial tenant space, and the owner wants heat restored before opening. What is the likely effect?

Servicing Gas-Fired Systems

A natural gas burner shows yellow tipping after a kitchen remodel added a strong exhaust fan. The work also involves a 199,000 BTU/h water heater in a multifamily utility closet, and the startup checklist is partly complete. What should be evaluated?

Controls and Electrical Systems

A helper suggests leaving a temporary jumper on a pressure switch while waiting for a part. The work also involves a 110,000 BTU/h rooftop unit in a low-slope roof, and the crew is changing from natural gas to propane. What is the correct action?

Servicing Gas-Fired Systems

A water heater pilot outages and melted plastic is found near the draft hood. The work also involves a 180,000 BTU/h hydronic boiler in a school boiler room, and the work is being observed by the AHJ. What is the likely service priority?

Gas Piping Preparation and Assembly

An underground PE gas service needs two below-grade joints before the riser. The work also involves a 72,000 BTU/h furnace in a finished basement mechanical room, and final inspection is scheduled for the next morning. Which joining method is acceptable?

Why This Certification Opens Doors

In the gas fitting industry, certification is not just a credential-it is a legal and professional requirement that separates qualified experts from unlicensed practitioners. This practice exam matters because it directly prepares you for the high-stakes licensing exam that governs your ability to work independently on gas systems. Passing the official exam validates your understanding of critical safety protocols, code compliance, and system design principles that protect lives and property. For career advancement, a Journeyman Gas Fitter certification is often a prerequisite for lead technician roles, project management positions, and union journeyman status. It signals to employers, inspectors, and clients that you possess the rigorous training and practical knowledge to handle gas piping from meter to appliance. In many jurisdictions, this certification is required by law to perform gas work, making it non-negotiable for career growth. By mastering the content in this practice exam, you position yourself for higher earning potential, greater job mobility, and industry-wide recognition as a safety-conscious professional. Don't just prepare-excel and earn the respect that comes with being a certified journeyman.

These are the backgrounds the certifying body suggests. Check the vendor's own page for anything it formally requires.

Exam Blueprint

01Fixtures and Faucets
02Gas Piping Systems
03International Plumbing Code (IPC) or Uniform Plumbing Code (UPC)
04Plumbing System Design and Installation
05Safety and OSHA Requirements

Exam Details Journey-GF

Exam Code Journey-GF
Vendor Plumber Licensing
Passing Score 70/36)
Question TypesMultiple Choice
Retake Policy Typically a 30-day waiting period between failed attempts. Most states allow 3–5 attempts per year. Some states require reapplication after multiple consecutive failures.
Exam Format Computer-based or paper test at testing center; most states allow the relevant plumbing code book (IPC or UPC) as a reference during the exam.

Frequently Asked Questions

What specific codes are referenced in this practice exam?

This practice exam primarily references the International Plumbing Code (IPC) and the Uniform Plumbing Code (UPC), which are the two most widely adopted plumbing and gas piping standards in North America. Questions cover gas pipe sizing tables (e.g., Table 1215.2 in UPC), venting requirements, appliance connection methods, and pressure testing protocols. It also incorporates OSHA 29 CFR 1910 standards for gas system safety, including lockout/tagout procedures and personal protective equipment (PPE) requirements.

How many questions are on the actual Journeyman Gas Fitter certification exam?

The number of questions varies by jurisdiction, but most state or provincial licensing exams range from 80 to 120 questions. This practice exam contains 186 questions to provide comprehensive coverage and ensure you are over-prepared. The extra questions allow you to encounter a wider variety of scenarios, including rare code exceptions and complex system designs, giving you a distinct advantage on test day.

Can I use code books during the actual exam?

Most official Journeyman Gas Fitter exams are open-book, allowing you to reference the IPC or UPC code book. However, time management is critical. This practice exam is designed to help you quickly locate key tables and sections, such as gas pipe sizing charts and venting requirements. We recommend practicing with your code book to build speed and familiarity, as the exam will test your ability to find and apply information efficiently.

What is the passing score for the Journeyman Gas Fitter exam?

Passing scores typically range from 70% to 75%, depending on the certifying body. This practice exam is calibrated to be slightly more difficult than the actual test, so scoring 70% or higher here is a strong indicator of readiness. Focus on understanding the 'why' behind each answer, especially for safety-related questions, as these are often weighted more heavily in the official scoring.

Does this practice exam cover both residential and commercial gas systems?

Yes. The exam covers gas piping systems for residential (single-family, multi-family) and commercial (restaurants, warehouses, light industrial) applications. Topics include meter sizing, branch line design, appliance BTU load calculations, and venting for both natural gas and propane. Commercial scenarios often involve larger pipe diameters, higher pressures, and more complex code requirements, all of which are addressed in the 186 questions.