API 510 Pressure Vessel Inspector
API510
api510exam.com is your dedicated API510 practice site: 1,000+ exam-style practice questions, organized across all 2 exam domains. Start with the free practice test — no card required.
- practice questions
- 1,000+
- exam domains
- 2
- practice test
- Free
Exam at a glance
- Exam fee
- $875 API member/$1125 non-member for initial certification
- Questions on exam
- 170 total multiple-choice questions of which 140 are scored and 30 are unscored pretest items
- Duration
- 7.5 hours total including tutorial session, 2.75 hours closed-book portion, 45-minute lunch break, and 3.75 hours open-book portion
- Passing score
- Scaled passing score with equating process to compensate for difficulty variations between forms
- Validity
- Certification valid 3 years, ANSI-accredited under ISO 17024
Published exam facts, from the official outline.
What’s on the API510 exam
- Closed-Book Knowledge (110 questions)
- Open-Book Code Application (60 questions)
Official exam blueprint domains — your practice bank mirrors this outline.
The API510 question bank follows the official exam blueprint across 2 domains, so your practice mirrors the real outline — and shows you exactly where you’re weak. See the full blueprint on api510exam.com →
Your API510 prep is one click away
The free API510 practice test, the full 1,000+ question bank and your readiness score — all on api510exam.com.
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