Exam Name: Pressure Vessel Inspector
Certification Provider: API
Corresponding Certification: Individual Certification Programs
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- Total Questions: 175
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API API-510 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Design, Materials, and Fabrication Rules | 22% | - Flanges, bolting, gaskets, and special components - ASME Section VIII, V, IX application - Material selection, properties, and toughness requirements - MAWP, thickness, and joint efficiency calculations - Positive material identification (PMI) and traceability - Welding, qualification, and PWHT requirements |
| Fitness-for-Service, RBI, and Pressure Testing | 12% | - Acceptance criteria and post-test evaluation - API 579/ASME FFS-1 screening and assessment - Risk-based inspection (RBI) principles and application - Hydrostatic, pneumatic, and leak testing rules |
| Inspection Scope, Planning, and Data Evaluation | 28% | - TML/CML selection and measurement planning - Inspection methods and technique selection - Code scope, jurisdiction, and regulatory requirements - Inspection interval determination and extension rules - Records review and baseline data collection - Remaining life and corrosion rate calculations |
| Repairs, Alterations, Rerating, and Mechanical Integrity | 16% | - Repair vs alteration definitions and procedures - Rerating, reclassification, and nameplate updates - Authorization and responsibility for work - Documentation and post-work verification - Pressure relieving devices and overpressure protection |
| Damage Mechanisms and Corrosion Assessment | 22% | - Damage assessment and prioritization - Corrosion under insulation (CUI) and environmental degradation - Internal, external, and localized corrosion - High-temperature damage and material degradation - Cracking mechanisms (environmental, fatigue, creep) |
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Three versions of the same study materials: a printable, expert-prepared PDF with free demo download and instant access; a Desktop Test Engine for Windows with customizable simulation and timed modes that works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. All 175 practice questions are identical across versions. Every purchase includes 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.
The API Pressure Vessel Inspector exam requires 550 (scaled score, range 200–750) to pass, and registration costs $875 (API member) / $1,125 (non-member) USD. A failed attempt means paying the same fee again — a readiness check with the PremiumVCEDump engines before booking is the cheaper option.
The API-510 exam is a API certification exam validating the API Pressure Vessel Inspector syllabus shown above. It belongs to these credential paths: API 570 Piping Inspector, API 653 Storage Tank Inspector, API 571 Damage Mechanisms, API 576 Pressure Relieving Devices. Candidates in 2026 start with PremiumVCEDump's 175 practice questions, available as a printable PDF, a Windows Desktop Test Engine, and an Online Test Engine — three versions of the same materials.
PremiumVCEDump issues a full refund if you take the API Pressure Vessel Inspector exam within 60 days of purchase and do not pass. The policy does not apply if the exam is taken within 3 days of purchase, if the exam was never actually taken, or to free materials or expired orders, and the candidate name must match the payer name. Submit a scan of your enrollment slip and the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Alternatively, exchange for two free exam products of equal value and keep your original update service. Orders arrive by email within 1 minute — contact support if nothing arrives within 2 hours.
The official API Pressure Vessel Inspector outline defines 5 domains. The leading three are Fitness-for-Service, RBI, and Pressure Testing (12%), Damage Mechanisms and Corrosion Assessment (22%), and Repairs, Alterations, Rerating, and Mechanical Integrity (16%). The full list is in the topics section above, and PremiumVCEDump's 175 practice questions cover each one.
Education + experience: BS/Eng Tech: 1 year; 2-yr degree: 2 years; High school: 3 years; No degree: 5 years. All require minimum 1 year performing/supervising pressure vessel inspection work within last 10 years Since requirements change over time, confirm the latest on the official API exam page before scheduling.
The API Pressure Vessel Inspector exam contains 170 (140 scored + 30 unscored pretest; 110 closed-book + 60 open-book) to complete within 450 (total exam day: 7.5 hours; 165 min closed-book + 225 min open-book + 45 min break). Timed simulation in the PremiumVCEDump Desktop Test Engine teaches that rhythm before exam day does.
API recommends these training resources for the API Pressure Vessel Inspector exam:
Follow the training with steady self-testing — the 175 practice questions from PremiumVCEDump help you apply theory and fill any gaps the training leaves.
In-person computer-based test at Prometric authorized centers worldwide; no remote testing available Register for the API Pressure Vessel Inspector exam through these official channels:
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API Pressure Vessel Inspector Sample Questions:
Which API standard is specifically mentioned within API-510 for corrosion and materials expertise?
- A. API 579
- B. API 570
- C. API 580
- D. API 571
Correct Answer: D 🗳️
What is the standard interval for external inspections under API-510 for vessels in severe service conditions?
- A. 3 years
- B. 1 year
- C. 5 years
- D. 10 years
Correct Answer: B 🗳️
What is the API-510 recommendation for frequency of internal inspections for vessels containing corrosive substances?
- A. At least once every 10 years
- B. Depends on the results of the last inspection
- C. At least once every 3 years
- D. At least once every 5 years
Correct Answer: D 🗳️
Explain the API-510 provisions regarding the frequency and extent of inspections required after a pressure vessel has been altered or repaired.
Reveal Solution Discussion 0Correct Answer:
API-510 requires that pressure vessels undergo rigorous inspections following any repairs or alterations to ensure the integrity of the vessel is maintained. The standard stipulates that these vessels should be inspected immediately after the work is completed and before they are returned to service.
The type of inspection can vary but typically includes non-destructive testing (NDT) to verify the quality of the repair or alteration and to confirm that no additional damage was introduced during the process.
Whose authorization is required as a minimum prior to the start of any repairs or alterations?
- A. The maintenance manager
- B. The insurance company
- C. The authorized pressure vessel inspector
- D. The production manager
Correct Answer: C 🗳️
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