Exam Name: Pressure Vessel Inspector
Certification Provider: API
Corresponding Certification: Individual Certification Programs
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API API-510 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Design, Materials, and Fabrication Rules | 22% | - Positive material identification (PMI) and traceability - Material selection, properties, and toughness requirements - MAWP, thickness, and joint efficiency calculations - Flanges, bolting, gaskets, and special components - ASME Section VIII, V, IX application - Welding, qualification, and PWHT requirements |
| Topic 2: Damage Mechanisms and Corrosion Assessment | 22% | - Damage assessment and prioritization - Internal, external, and localized corrosion - Cracking mechanisms (environmental, fatigue, creep) - High-temperature damage and material degradation - Corrosion under insulation (CUI) and environmental degradation |
| Topic 3: Repairs, Alterations, Rerating, and Mechanical Integrity | 16% | - Pressure relieving devices and overpressure protection - Authorization and responsibility for work - Repair vs alteration definitions and procedures - Rerating, reclassification, and nameplate updates - Documentation and post-work verification |
| Topic 4: Inspection Scope, Planning, and Data Evaluation | 28% | - Remaining life and corrosion rate calculations - Code scope, jurisdiction, and regulatory requirements - TML/CML selection and measurement planning - Inspection interval determination and extension rules - Records review and baseline data collection - Inspection methods and technique selection |
| Topic 5: Fitness-for-Service, RBI, and Pressure Testing | 12% | - Acceptance criteria and post-test evaluation - Hydrostatic, pneumatic, and leak testing rules - Risk-based inspection (RBI) principles and application - API 579/ASME FFS-1 screening and assessment |
API Pressure Vessel Inspector Sample Questions:
Unless there is indicative information on the brittle characteristics of the vessel material, the test temperature of the metal during a pressure test need not exceed what temperature?
- A. 60°F
- B. 200˚F
- C. 130˚F
- D. 120°F
Correct Answer: D 🗳️
After an alteration to a pressure vessel, in lieu of a hydrostatic test, special inspection procedures will be carried out.
What must be done prior to carrying out the special inspection procedures?
- A. Consult with the chief inspector of the jurisdiction
- B. Review all NDE procedures prior to commencement of the NDE used to waive the hydrostatic test requirement
- C. Make certain it is permitted by any jurisdictional rules that may exist and consult with an engineer experienced in pressure vessel design and the Authorized Pressure Vessel Inspector
- D. Check with the NBIC Authorized inspector
Correct Answer: C 🗳️
Inspection for corrosion under insulation (CUI) shall be considered for externally insulated vessels subject to moisture ingress and that operate between which of the following temperature range?
- A. 175°F and 350°F for austenitic stainless steels
- B. 275°F and 450°F for austenitic stainless steels
- C. 20°F and 350°F for carbon and low alloy steels
- D. 10°F and 350°F for carbon and low alloy steels
Correct Answer: D 🗳️
What is the role of the API-510 code in pressure vessel inspection following a natural disaster?
- A. It has no specific guidelines for post-disaster inspection
- B. It specifies more frequent inspections and assessments
- C. It provides guidelines for immediate decommissioning
- D. It mandates a complete overhaul of the vessel
Correct Answer: B 🗳️
Explain the training and continuous education requirements for pressure vessel inspectors as per API-510 to ensure high standards of safety and compliance.
Reveal Solution Discussion 0Correct Answer:
API-510 requires that pressure vessel inspectors undergo rigorous initial training, which includes both theoretical and practical components. Inspectors must understand the principles of pressure vessel design, the properties of materials used, and the dynamics of pressure systems.
Continuous education is also mandated, requiring inspectors to attend workshops, seminars, and refresher courses regularly to stay updated with the latest changes in regulations, inspection technologies, and best practices. This ongoing training ensures that inspectors maintain a high standard of expertise and are well-equipped to enforce safety and compliance effectively.
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