How long should I study before taking the practice test?

For experienced medical gas professionals, 20 to 30 hours of focused study is recommended. For those newer to the field, 40 to 60 hours may be necessary. The practice test itself should be taken after you have reviewed all major topics, as it is designed to simulate the real exam and identify gaps in your knowledge.

Medical Gas Installer/Verifier Exam (ASSE 6010/6020) Practice Test

83 questions available

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The Medical Gas Installer/Verifier Exam ASSE 6010/6020 Practice Test is a comprehensive assessment designed for professionals seeking certification in the installation, inspection, and verification of medical gas systems. This exam covers critical knowledge areas including the International Plumbing Code (IPC) and Uniform Plumbing Code (UPC), medical gas system design and installation, plumbing system design and distribution, safety protocols mandated by OSHA, and water supply and distribution principles. It is intended for experienced plumbers, pipefitters, medical gas installers, and verifiers who must demonstrate competency in ensuring that medical gas systems-such as oxygen, nitrous oxide, medical air, and vacuum systems-are installed safely and function correctly in healthcare facilities. By passing this practice test, candidates will gain confidence in their understanding of code requirements, system testing procedures, alarm systems, and cross-connection control. The exam emphasizes practical application, requiring test-takers to interpret code language, identify compliance issues, and apply safety standards in real-world scenarios. Successful completion prepares individuals for the ASSE 6010 (Medical Gas Installer) and ASSE 6020 (Medical Gas Verifier) certification exams, which are recognized nationally and often required by state and local jurisdictions for work in hospitals, clinics, and surgical centers.

83 Practice Questions

1 hour 23 minutes Practice Time

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The bar to clear 70/36) Official passing score. Aim higher in practice before you book.

Official objectives from Plumber Licensing

Plumber Licensing83 practice questions76 answers with a checkable referenceBlueprint 1.0Bank updated 2026-07-09

Sample Questions

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

76 of 83 answers carry a checkable reference.

Plumbing System Design and Installation

Which fixture count basis is correct for handwash basins in shared facilities?

Medical Gas Systems

Why is a reading at or above 10% LFL unacceptable for the coating/lining operation?

Water Supply and Distribution

Which construction approach satisfies the nonpotable-system requirement?

Safety and OSHA Requirements

Which provided equipment directly supports obtaining acceptable entry conditions?

Plumbing System Design and Installation

A camp design uses urinal troughs instead of individual units. Which basis is required?

Why This Certification Opens Doors

This exam matters because medical gas systems are life-safety systems. A single installation error-such as a cross-connection between oxygen and nitrous oxide lines or improper brazing that leaves contaminants in the piping-can lead to patient injury or death. Verifiers play a critical role in ensuring that systems meet stringent code requirements before they are placed into service. Mastering this content directly translates to safer healthcare environments, reduced liability for contractors, and compliance with legal and insurance standards. For professionals, certification opens doors to higher-paying specialized work and demonstrates a commitment to public safety and professional excellence.

Exam Blueprint

01International Plumbing Code (IPC) or Uniform Plumbing Code (UPC)

02Medical Gas Systems

03Plumbing System Design and Installation

04Safety and OSHA Requirements

05Water Supply and Distribution

Exam Details Med-Gas

Exam Code Med-Gas

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 is the difference between ASSE 6010 and ASSE 6020 certification?

ASSE 6010 is for Medical Gas Installers, focusing on the proper installation, brazing, and testing of medical gas piping systems. ASSE 6020 is for Medical Gas Verifiers, who perform final inspections, cross-connection tests, purity verification, and system certification. Many professionals pursue both, but the verifier role requires a higher level of knowledge and responsibility.

Do I need to know both IPC and UPC for this exam?

Yes, the practice test covers both the International Plumbing Code (IPC) and Uniform Plumbing Code (UPC) because medical gas installations must comply with whichever code is adopted by the local jurisdiction. Understanding the differences-such as pipe labeling requirements, brazing procedures, and pressure testing methods-is essential for passing the exam and working in multiple regions.

How much of the exam focuses on OSHA safety requirements?

OSHA requirements are a significant component, covering topics such as confined space entry, lockout/tagout, personal protective equipment (PPE), and hazard communication. Safety is paramount in medical gas work due to the risks of high-pressure gases, fire, and asphyxiation. Expect several questions on OSHA standards as they apply to installation and verification tasks.

What types of questions are on the practice test?

The practice test includes multiple-choice questions, true/false statements, and scenario-based questions that require you to apply code knowledge to real-world situations. You may be asked to identify code violations, calculate pipe sizing, interpret alarm system requirements, or determine correct testing procedures. Some questions reference specific code sections, so familiarity with the code books is recommended.

Can I use code books during the actual ASSE exam?

Yes, the ASSE 6010 and 6020 exams are open-book. However, time is limited, so you must know how to quickly locate information. The practice test is designed to help you build that skill by focusing on key code sections and common reference points. Do not rely solely on the books-know the material well enough to answer without excessive searching.

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