API-570 Vocabulary Game
Exam terms with clues and explanations by OpenExamPrep.
About the API-570 Vocabulary Game
A free word game for the API-570 exam. Each round shows a clue for one of 20 exam terms across 6 topics. Recall the term, spell it out, then read a short explanation. Rounds pick a random term, so you can keep playing as long as you like.
How to Play
- 1Read the clue and type a term with the right number of letters (3 to 6). Abbreviations count: type the letters only.
- 2Press Check Answer or Enter. Each letter changes color to show how close you are.
- 3You have 6 tries. Stuck? Need a hint? asks the AI tutor for a nudge without giving the term away, and Skip moves to a new term.
- 4After the round, read the explanation, ask the AI to explain it, share your result, or press Next.
- ARight letter, right spot
- AIn the term, wrong spot
- ANot in the term
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Topics in the API-570 Vocabulary Game
Calculations and Intervals
Welding Qualification
Nondestructive Examination
Inspection Planning
Piping Components
Damage Mechanisms
Sources for these terms (16)
- Charpy Machine Verification Program · Source checked 2026-11-03
- NIST Sharpens the 'Charpy' Test to Make a More Precise Impact on Industrial Materials · Source checked 2026-11-03
- B16.5 - Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24, Metric/Inch Standard · Source checked 2026-11-03
- Preventive Maintenance Recommendations (Chevron Richmond Refinery Fire) - U.S. Chemical Safety Board · Source checked 2026-11-03
- Interim Investigation Report: Chevron Richmond Refinery Pipe Rupture and Fire · Source checked 2026-11-03
- Leak Testing (LT): NDT Methods for Sealed System Integrity · Source checked 2026-11-03
- Body of Knowledge: API 570 Piping Inspector Certification Exam (February 2026) · Source checked 2026-11-03
- Magnetic Particle Testing · Source checked 2026-11-03
- Ultrasonic Testing · Source checked 2026-11-03
- Radiographic Testing · Source checked 2026-11-03
- PCC-2 - Repair of Pressure Equipment and Piping · Source checked 2026-11-03
- API Publications Catalog 2024 · Source checked 2026-11-03
- API Strengthens Piping Inspection Standards with New Updates · Source checked 2026-11-03
- API 570 Exam Publications Effectivity Sheet, 2026 · Source checked 2026-11-03
- Assessment of Microbiologically Influenced Corrosion Potential in the International Space Station Internal Active Thermal Control System Heat Exchanger Materials: A 6-Mo Study (NASA) · Source checked 2026-11-03
- Microbially Influenced Corrosion of Stainless Steels in Nuclear Power Plants (OSTI, US Department of Energy) · Source checked 2026-11-03
About the API 570 Exam
API 570 is API's in-service metallic piping inspection certification for owner-user mechanical-integrity programs in refining, petrochemical, and related process facilities. The exam tests inspection planning, damage-mechanism recognition, corrosion-rate and remaining-life calculations, piping component knowledge, welding and NDE fundamentals, repairs, alterations, rerating, and reference-driven code judgment using API 570, API RP 574, API RP 576, API RP 577, API RP 578, ASME B31.3, ASME Section V, ASME Section IX, and ASME PCC-2.
Exam sponsor: American Petroleum Institute (API) / Prometric. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Assessment
170 multiple-choice questions: 110 closed-book + 60 open-book (140 scored + 30 pretest)
Time Limit
7.5-hour exam day (2.75 hours closed-book, 45-minute lunch, 3.75 hours open-book)
Passing Score
400 scaled score out of 500
Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Frequently Asked Questions
Is the API 570 vocabulary game free?
Yes. The game is free to play with no sign-up. Signing in adds AI explanations for any term.
How does the API 570 vocabulary game work?
Each round shows a clue for one of 20 API 570 terms. Guess the term in six tries: green means the right letter in the right spot, yellow means the letter is in the term but in another spot, and gray means it is not in the term. After the round, read the explanation and play the next term.
Where do the API 570 terms come from?
OpenExamPrep researched each term from the American Petroleum Institute (API) / Prometric content outline and primary sources, listed under Sources on this page. The game is independent study material, not an official exam resource.
How many questions are on the API 570 exam?
API states that the API 570 exam contains 170 multiple-choice questions, with 140 scored items and 30 pretest items. The exam is split into 110 closed-book questions followed by 60 open-book questions.
How long is the API 570 exam?
The official API 570 exam day is 7.5 hours long. API breaks that into a short tutorial, 2.75 hours for the closed-book portion, a 45-minute lunch break, and 3.75 hours for the open-book portion.