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For API 510 holders facing the six-year recertification web quiz

API 510 recert quiz: refresh what it can reach

Refresh the API 510 rules and the RP 571 sections the open-book recert quiz can reach. Take the free 10-question check and see which area to read next.

Free 10-question check

Practice pack $59: 174 practice questions, each explained. See the course

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  • No signup · No card
  • 10 questions, untimed
  • Answers explained as you go
  • Scored by domain
Ask Patch 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 Patch can do

Want a timed run? Try the free 25-question mini-mock. The first 5 need no email.

Exam at a glance

Format
25 questions in 240 minutesBook: Open book. The editions are on the recertification publications sheet effective 20 Oct 2025 (saved). Which reference formats are on screen is not stated (unconfirmed)
Delivery
Online web quiz taken through the ICP Portal, with the same username and password as the portal account. Proctoring and ID rules are not stated on the pages we saved (unconfirmed)
Retakes
One retake. A second failure means a new application and the full exam

What it covers

I. Inspection intervals, corrosion rates and remaining life
II. Repairs, alterations, rerating and pressure testing
III. Inspection organization, records and open-book navigation
IV. Selected RP 571 damage mechanisms (RP 571 Section 2 and the paragraphs on the quiz sheet)

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

Original practice material. Not affiliated with API.

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 240 minutes)

The API 510 recert course

Available now · instant access

Refresh the rules and the RP 571 sections the six-year web quiz draws on, with two timed 25-question practice forms.

  • 2full-length timed exams25 questions in 240 minutes each
  • 174practice questionsEach one explained

Patch, your AI study assistant, comes with the API 510 recert practice pack: step-by-step walk-throughs, a weak-spot quiz and your mistake patterns. Up to 40 messages a day.

  • 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
  • Ask me about any practice question you answer, with follow-ups and a one-line key point
See the module
  1. What changed for the six-year recert: API 510 errata and selected RP 571 sections
API 510 recert practice pack$59Get the practice pack · $59

Instant access. Terms and refunds · Secure checkout by Stripe · Billed by Nori Software

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Every answer comes with a full explanation.

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

Example

Why is that one wrong?

PatchI'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. In the free 10-question check, answer a question, then tap Ask Patch why. 3 free asks, 10 more with your email. I'm AI, so check important details against your references. Meet Patch

Answer one, then ask me why

Free API 510 recert study plan

A week-by-week plan from today to your exam, weighted to the published exam outline. We show it here and email you a copy.

API 510 recert quiz FAQ

Where do the practice questions come from?

Every question is original and written from topic and section numbers. Your score does not predict your quiz result.

What does API say about the quiz?

API's API 510 page describes a 25-question open-book web quiz every six years. Pass mark and proctoring are not stated in the pages we read, so we do not claim either. Read API's recertification page for the current rules.

Do you reproduce the codes?

No. We cite document and section numbers without reproducing code-book text. Use your own licensed references when studying.

How is the check scored?

Items are grouped into four areas. API publishes no outline or weights for the web quiz that we found, so the areas are our own practice split. The result helps you choose what to read next.

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