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CWI Part ACWI Part BCWI Part C D1.1CWI Part C D1.5WPQ2API 1104 Part CICC S1
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For inspectors sitting CWI Part C or the stand-alone API 1104 endorsement

API 1104 Part C: know where to find it fast

Free API 1104 Part C practice: 10 questions, answers explained as you go, score by domain.

Free 10-question check

Full course $99: 129 practice questions, each explained. See the course

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Question 1 of 10 · free checkUntimed

Inspection

Which method can find only flaws that are open to the surface?

Press A-D or 1-4 to choose an answer while this question is on screen.

Choose an answer to begin

The free check uses the same question style and explanations as the course.

Part C on API 1104 puts the pipeline code on screen, so finding the section fast is the skill. Start with a free 10-question check, every miss explained.

Before you start: allow about 23 minutes, and have your own API 1104 copy open. Each question points you to a section, and the code text is not on this site.

  • 10 questions, untimed
  • Answers explained as you go
  • Scored by domain
Ask Tack AI Explains your misses, answers from this course, and builds practice from your weak spots.Try it free: 3 asks on the free check, 10 more with your email. What Tack can do

Every question is original and written to American Welding Society's published content outline.

How it works

  1. Answer 10 questions, freeUntimed. Check each answer to see why it's right, with a hint where one helps.
  2. See your score by domainBroken down by outline domain, with your weakest one named.
  3. Study what you missedAdd your email and exam date for a study plan, or practice at exam pace.

    Want exam pace? Take the 25-question practice test (about 56 minutes)

The API 1104 Part C course

Available now · instant access

Learn how API 1104 is laid out, drill finding sections fast, then practice.

  • 3modules of lessonsEvery task on the outline
  • 2full-length timed exams60 questions in 135 minutes each
  • 129practice questionsEach one explained
  • 16code-navigation drillsFind it fast in AWS D1.1
  • 1week-by-week study planSet to your exam date

Tack, your AI study assistant, comes with the API 1104 Part C course: a week-by-week plan from your exam date and weak areas, step-by-step walk-throughs and a weak-spot quiz. Up to 40 messages a day.

  • My study plan: a week-by-week course from your exam date and weak areas, with today's set ready. Lose a week and I re-plan it
  • Stuck on a question? Tap Walk me through it, Explain like I'm new or Show a worked example
  • A quiz on your weak spots, your misses back on a spaced review, and explain it back to me to lock it in
  • After 30 answers, I show you the patterns in your misses and a practice set for each one
  • Exam week: a day-by-day plan for your last 7 days
See all 3 modules
  1. How API 1104 is organized, and production welding
  2. Procedure and welder qualification under API 1104
  3. Inspection, acceptance standards and records on pipelines
Part C (API 1104) course$99Get the Part C course · $99

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Every answer comes with a full explanation.

AI study assistant

Ask Tack why an answer is right

AI study assistant

Tack AI

Tack is your AI study assistant. Answer a question, then ask Tack why.

Example

Why is that one wrong?

TackI'll show you why the right answer works, why each other option falls short, and where to look it up.

Example of how I explain. Answer question 1, then tap Ask Tack why. 3 free asks, 10 more with your email. I'm AI, so check important details against your references. Meet Tack

Answer question 1, then ask me why

Email me the free API 1104 Part C exam-day kit

What to bring, arriving and the testing room, from the exam body's own candidate guide. Sent to your inbox.

Exam at a glance

Format
60 questions in 135 minutesBook: open book; API 1104 22nd edition PDF on screen at Prometric (English only; AWS recommends bookmark navigation and says some PDF features may be disabled; whether it is searchable is unconfirmed); a bound printed copy is also permitted
Delivery
Prometric CBT; 150 minutes seat time (135 to answer) for the English form
Exam fee (paid to AWS, not us)
Stand-alone endorsement: $445 member / $540 non-member. Part A or C retest: $445. The initial CAWI/CWI exam is $1,255 member / $1,520 non-member; whether that fee covers API 1104 as the Part C code is not stated. Eligibility: any current CWI or SCWI may take it as a stand-alone endorsement, and any CWI candidate as the initial Part C exam.
Retakes
Re-examination follows AWS QC1:2016-AMD1; an applicant who fails Part C must retest with the same code within the 3-year retest period

What it covers

Qualification25%
Fabrication25%
Inspection25%
Reports and Records5%
Materials and Design5%

The free 10-question check follows these domains, subject to the available practice questions.

Practice test FAQ

How long is the free 10-question check?

The free check has 10 questions, is untimed and takes about 23 minutes. You see the answer and explanation after each question. It is a short study check, rather than a full-length exam simulation.

Is this a free CWI practice test for every part?

Choose Part A for fundamentals, Part B for the practical, or Part C on D1.1, D1.5 or API 1104. Already a CWI or SCWI? The WPQ2 endorsement has its own check too. Each has its own free check and outline. Part B questions send you into the Book of Specifications, as the exam does, and every miss is explained so you know where to look next time.

Is the 10-question check free?

Yes. You can start the check and see your score and weakest domain for free, with no signup or payment. Your score in each domain unlocks when you add your email.

Where does the practice content come from?

Every question is original and written to AWS's published outline. Treat the results as a starting point for study.

How is the check scored?

Practice items are grouped by the published outline's domains, subject to available questions. The check weights domain results using the configured published outline weights. This practice percentage helps set study priorities; it does not predict your exam score or certification outcome.

What do I see after finishing?

You get your score, the published pass mark and how many more correct answers would reach it, your weakest domain and what the API 1104 Part C course holds for it. Add your email to see your score in each domain and get a free study plan.

How should I use the result to study?

Start with your weakest domain. The API 1104 Part C course has lessons, explained practice questions and timed exams on it.

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