CWI Practice Test

โ–ถ

AWS CWI renewal isn't the most exciting part of being a Certified Welding Inspector โ€” but getting it wrong can cost you the credential you worked hard to earn. The American Welding Society issues CWI certifications with a nine-year active period, broken into three-year renewal cycles. Understanding the renewal requirements before your certification lapses is essential, and continuing education plays a bigger role in the process than many inspectors realize. Practice with the free CWI practice test on PracticeTestGeeks (11 questions with answer explanations).

Whether you're approaching your first three-year renewal or you're a seasoned inspector planning ahead, this guide walks through what the AWS requires, how continuing education hours factor in, and what your options look like at each stage of the certification cycle.

CWI Certification Structure: Active vs. Renewal Periods

The AWS CWI certification follows a structured nine-year cycle:

Missing a renewal application doesn't just mean paperwork โ€” it means your certification lapses. A lapsed CWI certification requires either reinstatement (if within a limited window) or full recertification, which means going through the exam process again. The renewal system exists to ensure that CWIs remain current with codes, standards, and welding technology, but it also exists as a practical incentive to stay engaged with the profession.

AWS CWI Renewal: The Three-Year Renewal Process

At the three-year and six-year marks, AWS requires a renewal application rather than a re-examination. The renewal process is significantly simpler than initial certification, but it has specific requirements:

Application submission: You must submit your renewal application before your certification expiration date. Late applications may be accepted with a penalty fee within a grace period, but AWS doesn't guarantee acceptance of late applications, and the grace period isn't indefinite.

Employment verification: AWS requires documentation that you've been actively working in a welding-related field during your certification period. This typically means documenting six months of welding-related employment within the three-year certification period. If you haven't been actively working in the field, you may face additional requirements.

Vision examination: Your vision must still meet the near-vision requirements (Jaeger J2 at 12 inches, natural or corrected). Some inspectors overlook this โ€” don't. You'll need a current vision certification from a licensed optometrist or physician as part of renewal.

Renewal fee: AWS charges a renewal fee for each three-year renewal. Fees vary by membership status โ€” AWS members pay less than non-members. If you're not an AWS member, the membership savings alone may justify joining.

Continuing Education for CWI Renewal

Continuing education becomes a factor primarily at the nine-year recertification point, but AWS strongly encourages ongoing education throughout the nine-year period. Here's how continuing education actually works in the CWI context:

AWS offers a Continuing Education Credit (CEC) system. Credits can be earned through:

For recertification at the nine-year mark, inspectors who have accumulated sufficient continuing education credits may qualify for recertification without retaking the full CWI exam. The specific credit requirements and qualification paths are defined by AWS โ€” check the current edition of QC1 (Standard for AWS Certification of Welding Inspectors) for the authoritative requirements, as these can be updated between editions.

The practical advice: don't wait until year eight to think about continuing education credits. Spreading credit accumulation across the nine-year period is much easier than cramming at the end, and actively engaged CWIs tend to do better work because they stay current with code revisions and technology changes.

Free CWI Study Tools

Interactive CWI resources on PracticeTestGeeks, free to start:

Facts verified Oct 28, 2026 against American Welding Society (AWS) โ€” Certification and Education. Dates that have passed are removed automatically.

CWI Exam at a Glance

ItemDetailOfficial source
Number of questions (Part A โ€“ Fundamentals)150 questionsAmerican Welding Society (AWS) โ€” Certification and Education
Number of questions (Part B โ€“ Practical)Hands-on activities + 46 questionsAmerican Welding Society (AWS) โ€” Certification and Education
Number of questions (Part C โ€“ Code Book)50โ€“65 open-book questionsAmerican Welding Society (AWS) โ€” Certification and Education
Time limit2 hours per part (2.5 hours seat time)American Welding Society (AWS) โ€” Certification and Education
Passing score72% on each partAmerican Welding Society (AWS) โ€” Certification and Education
Exam fee$1,255 (AWS member) / $1,520 (non-member) for the initial CWI examsAmerican Welding Society (AWS) โ€” Certification and Education
Retake fee$445 per part (A or C), $870 for A and C, $385 for Part B, $915 member / $1,180 non-member for all partsAmerican Welding Society (AWS) โ€” Certification and Education
Retake policyRetest within a 3-year period; Part C retest must use the same codeaws-p-001-delivery.sitecorecontenthub.cloud
Validity9 years, with renewals at years 3 and 6American Welding Society (AWS) โ€” Certification and Education
DeliveryParts A & C: computer-based at Prometric centers; Part B: in person at AWS seminar sitesAmerican Welding Society (AWS) โ€” Certification and Education
Score releaseAbout 2 weeks after Parts A and C (by email)American Welding Society (AWS) โ€” Certification and Education
Late registration deadlineFast Track up to 18 business days before the event week, $395 non-refundableaws-p-001-delivery.sitecorecontenthub.cloud
Registration deadline6 weeks before the seminar/exam weekaws-p-001-delivery.sitecorecontenthub.cloud
Testing windowParts A and C within 120 days after Part Baws-p-001-delivery.sitecorecontenthub.cloud

Facts verified Oct 28, 2026 against American Welding Society (AWS) โ€” Certification and Education. Dates that have passed are removed automatically.

Start Free CWI Practice Test

What Happens If Your CWI Lapses?

If you miss the renewal window and your CWI certification lapses, your options depend on how much time has passed:

Within the grace period (typically up to 6 months): AWS may allow reinstatement with a late fee and submission of all required renewal documentation. This isn't guaranteed, and the grace period isn't published as a guaranteed window โ€” contact AWS directly if you're in this situation.

After the grace period: You'll likely need to go through the full recertification process, which means meeting current eligibility requirements and, in most cases, retaking the CWI exam (Parts A, B, and C). This is a significant setback for experienced inspectors โ€” the exam is not trivial, and re-entering the exam prep process after years in the field takes genuine effort.

If the nine-year period has passed: You can no longer renew โ€” you must recertify entirely. The clock resets, and you're treated as a new applicant for exam purposes.

The lesson is simple: set calendar reminders for your renewal dates and treat them as seriously as you'd treat a code compliance deadline on the job. Missing a paper deadline is a frustrating, avoidable setback.

AWS CWI Continuing Education Resources

The AWS ecosystem offers continuing education resources that serve dual purposes โ€” they keep you current and they contribute to your credit accumulation for recertification purposes.

AWS Welding Journal: The monthly publication includes technical articles with associated study questions. Completing these and submitting them to AWS earns continuing education credits. Inspectors who read the Journal regularly find that this is one of the most efficient ways to accumulate credits while genuinely staying current.

AWS Learning Center: Online courses covering a range of welding codes, inspection techniques, and specialty topics. The platform allows self-paced learning and tracks completion for credit purposes.

AWS Annual Convention and Section events: Technical presentations, exhibits, and workshops at AWS events qualify for continuing education credits. These also serve the less quantifiable but genuinely valuable function of networking with other CWIs and welding engineers.

Code clinics and seminars: AWS and third-party providers run structured code-based training on standards like AWS D1.1 (Structural Welding Code), ASME Section IX, API 1104, and others. These targeted courses are particularly useful for inspectors who work extensively in specific code environments and want deeper expertise.

Specialty endorsements: AWS offers specialty endorsements in areas like Radiographic Interpreter (RI), Ultrasonic Testing Inspector (UTT), and others. Pursuing a specialty endorsement requires additional training and qualification, but it expands your capabilities and market value โ€” and the study involved clearly contributes to your professional development even where specific credit rules vary.

Keeping Records: The Inspector's Responsibility

AWS maintains its certification database, but the responsibility for tracking your own continuing education credits and ensuring your records are complete falls on you. AWS won't remind you when credits are due or when you're approaching your renewal date โ€” they'll notify you of expiration, but proactive management of your certification status is your job.

Keep personal records of:

Digital records with cloud backup are the practical standard now โ€” a folder in cloud storage that contains scanned versions of all relevant documents means you can access them when needed and they won't be lost to a hard drive failure or office move.

The Business Case for Staying Current

Beyond the regulatory compliance aspect, maintaining an active CWI certification with ongoing education has genuine professional value that goes beyond the credential itself.

Welding codes and standards change. AWS D1.1 sees periodic revisions; ASME codes are updated on cycles; API standards evolve with industry practice. An inspector who's been in the field for seven years and hasn't actively tracked code changes may be applying obsolete requirements on current projects. That's a real liability โ€” both for the quality of their inspection work and for their professional reputation if a nonconformance is missed due to an outdated understanding of applicable requirements.

Employers who hire CWIs for project work increasingly scrutinize certification dates and activity records. An inspector who demonstrates ongoing engagement with the profession โ€” through visible continuing education activity, current membership in AWS, active participation in professional networks โ€” is a stronger candidate than someone who holds a valid certificate but shows no evidence of keeping current.

The three-year renewal cycle creates a natural rhythm for this. Use it as a prompt to assess where your knowledge gaps are, to engage with new resources, and to document your professional development. The credential is the entry point; what you do with it over the nine-year cycle is what builds a career.

Sample CWI Practice Questions

Try these questions from our free CWI practice tests. The correct answer and an explanation follow each question.

  1. A CWI must verify that a filler metal bears an AWS classification label before use. This requirement primarily ensures:

    • A. The filler metal will not produce any spatter during welding
    • B. The filler metal meets minimum mechanical and chemical composition requirements
    • C. The electrode has been dried in an oven for at least 2 hours
    • D. The electrode diameter matches the base metal thickness exactly

    Answer: B. The filler metal meets minimum mechanical and chemical composition requirements

    AWS classification testing confirms that the filler metal's deposited weld metal meets specified tensile strength, yield strength, and chemical composition requirements.

  2. Which organization publishes the standard qualification requirements for welding procedures and welders used in pressure vessel fabrication?

    • A. AWS (American Welding Society)
    • B. ASME (American Society of Mechanical Engineers)
    • C. API (American Petroleum Institute)
    • D. OSHA (Occupational Safety and Health Administration)

    Answer: B. ASME (American Society of Mechanical Engineers)

    ASME Section IX of the Boiler and Pressure Vessel Code governs welding procedure and welder qualification for pressure-containing equipment.

  3. Which AWS D1.1 provision allows the Contractor to use an alternative to a code requirement if equivalency can be demonstrated to the Engineer's satisfaction?

    • A. The prequalification exemption clause
    • B. The alternate standards clause in Section 1
    • C. The general provisions allowing Engineer approval of alternatives
    • D. The essential variables waiver process in Section 5

    Answer: C. The general provisions allowing Engineer approval of alternatives

    AWS D1.1 contains general provisions that allow the Engineer to approve alternatives to specific code requirements when the Contractor demonstrates technical equivalency.

  4. Under AWS D1.1, which weld type requires the inspector to verify that the weld size (throat) matches the drawing requirement after welding?

    • A. Partial joint penetration (PJP) groove weld
    • B. Complete joint penetration (CJP) groove weld
    • C. Plug weld
    • D. Slot weld

    Answer: A. Partial joint penetration (PJP) groove weld

    PJP groove welds have a specified effective throat that must be verified, while CJP welds require full penetration, making throat size the inspector's key check for PJP.

Take the full CWI practice test

How does AWS CWI renewal work?

AWS CWI certification must be renewed every three years within a nine-year active period. At the three-year and six-year marks, you submit a renewal application to AWS that includes proof of welding-related employment (at least six months within the certification period), a current vision examination, and payment of the renewal fee. The nine-year recertification typically requires retaking the CWI exam unless you qualify for an alternative path through continuing education credits.

What continuing education is required for CWI renewal?

For the three-year renewals, continuing education credits are not strictly required but are encouraged. Continuing education credits (through AWS-approved courses, journals, seminars, and events) become more significant at the nine-year recertification point, where sufficient credits may allow you to recertify without retaking the full exam. The specific requirements are in AWS QC1 โ€” check the current edition for authoritative details.

What happens if my CWI certification lapses?

If your CWI certification lapses past the renewal date, reinstatement may be possible within a limited grace period (typically with a late fee). After the grace period, you'll likely need to go through full recertification, which means meeting current eligibility requirements and retaking the CWI exam. After nine years with a lapsed certification, you're treated as a new applicant. Don't let it lapse โ€” set calendar reminders for your renewal dates.

Where can I get CWI continuing education credits?

AWS offers multiple routes: completing technical articles in the AWS Welding Journal with associated review questions, taking courses through the AWS Learning Center online platform, attending AWS Annual Convention and Section events, completing code clinics and seminars, and participating in AWS-sponsored activities. Third-party courses at technical institutes may also qualify โ€” check with AWS for pre-approval if you're unsure.

Do I need to retest for CWI recertification after 9 years?

In most cases, yes โ€” the nine-year recertification requires passing the CWI examination again. However, inspectors who have accumulated sufficient continuing education credits through the AWS CEC system may qualify for an alternative recertification path that doesn't require retaking the exam. The specific credit threshold and eligibility criteria are defined in AWS QC1 and may change between editions.

Does my CWI certification cover all welding codes?

The CWI credential is a general qualification in welding inspection โ€” it demonstrates competency in inspection principles, weld quality assessment, and code application. However, specific projects may require demonstrated familiarity with particular codes (AWS D1.1, ASME IX, API 1104, etc.). AWS offers specialty endorsements in areas like radiographic interpretation and ultrasonic testing that extend your documented capabilities beyond basic CWI qualification.

How many questions are on the CWI?

Part A (Fundamentals) of the AWS CWI exam has 150 questions on topics such as metallurgy, nondestructive testing, welding symbols and WPS/PQR. (Verified Oct 28, 2026 against American Welding Society (AWS) โ€” Certification and Education.)

How long is the CWI?

Each part of the AWS CWI exam has two hours of exam time, with about 2.5 hours of total seat time at the Prometric center. (Verified Oct 28, 2026 against American Welding Society (AWS) โ€” Certification and Education.)

What is the passing score for the CWI?

CWI candidates must score at least 72% on each of the three exam parts (A, B and C) to earn the AWS CWI credential. (Verified Oct 28, 2026 against American Welding Society (AWS) โ€” Certification and Education.)

How much does the CWI cost?

The initial AWS Certified Welding Inspector (CWI) exams cost $1,255 for AWS members and $1,520 for non-members under the AWS price list effective January 1, 2026. (Verified Oct 28, 2026 against American Welding Society (AWS) โ€” Certification and Education.)
โ–ถ Start Quiz