API 510
How our API 510 questions are written
Written in our own words
Every API 510 question is written by us to API's current published outline, with code references to API 510 11th ed. (2022) and the effectivity-sheet references. We never use real or recalled exam questions, and we never copy code-book text.
Reference basis: API 510 11th ed. (2022) and the effectivity-sheet references.
What the question bank covers
The course has 617 practice questions. Here is how many sit in each blueprint domain.
- Thickness measurements, inspection intervals and vessel integrity (calculations): 184 questions
- Welding procedure and qualification evaluation (ASME IX, RP 577): 124 questions
- Nondestructive examination (ASME V, VIII-1, API 510): 92 questions
- Practical knowledge - general: 125 questions
- Practical knowledge - specific (RP 571 listed mechanisms, RP 572, RP 576, RP 578, PCC-2 listed articles): 92 questions
The API 510 course
Available now · instant accessThe API 510 course
- 8modules of lessonsEvery task on the outline
- 2full-length timed exams170 questions in 390 minutes each
- 617practice questionsEach one explained
- 6worked calculationsStep by step
- 1week-by-week study planSet to your exam date
Turn a practice answer into a study step. In untimed practice, ask Patch AI about any question you answer, follow up, then see your weakest topics and what to drill next.
Every answer comes with a full explanation.
Think an answer is wrong? Report it. Not affiliated with or endorsed by American Petroleum Institute. Exam names are used descriptively.