About API 577 Exam Prep
An independent practice platform for the Welding Inspection and Metallurgy Professional (API 577) exam - real questions across every exam domain, each with a plain-language explanation.
What's on the API 577 exam
The Welding Inspection and Metallurgy Professional (API 577) exam is organized into 10 knowledge domains. It has 110 questions and is completed in 3 hours 15 minutes. Here is what it covers:
- Terms, Definitions, and Acronyms
- Welding Processes
- Welding Materials
- Welding Procedure
- Welder Qualification
- Nondestructive Examination
- Welding Inspection
- Metallurgy
- Refinery and Petrochemical Plant Welding Issues
- Safety Precautions
Every practice question on this site is organized across these 10 domains, so your study tracks the real exam structure instead of guesswork. As you answer, the per-domain analytics surface the areas still costing you points, so your review goes where it moves your score.
What we believe good exam prep looks like
Realistic practice beats passive reading. Every question is written to mirror the style and difficulty of the real exam, with a clear explanation of why the right answer is right and the others aren't.
Your weak spots should find you. Domain analytics, mistake review, and re-drilling are built in, so study time goes where it moves your score.
Pricing should be simple. One payment for a fixed access window matched to your exam date. No subscription, no auto-renewal, and 10 free questions to try before you spend anything.
Get in touch
Questions, feedback, or something not working? Email support@boardmentor.study - candidate messages are read and answered.