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: Damage Mechanisms and Corrosion Assessment | 22% | - Cracking mechanisms (environmental, fatigue, creep) - Damage assessment and prioritization - Corrosion under insulation (CUI) and environmental degradation - High-temperature damage and material degradation - Internal, external, and localized corrosion |
| Topic 2: Fitness-for-Service, RBI, and Pressure Testing | 12% | - API 579/ASME FFS-1 screening and assessment - Acceptance criteria and post-test evaluation - Hydrostatic, pneumatic, and leak testing rules - Risk-based inspection (RBI) principles and application |
| Topic 3: Inspection Scope, Planning, and Data Evaluation | 28% | - Code scope, jurisdiction, and regulatory requirements - Inspection interval determination and extension rules - Remaining life and corrosion rate calculations - Inspection methods and technique selection - Records review and baseline data collection - TML/CML selection and measurement planning |
| Topic 4: Design, Materials, and Fabrication Rules | 22% | - Material selection, properties, and toughness requirements - ASME Section VIII, V, IX application - Welding, qualification, and PWHT requirements - MAWP, thickness, and joint efficiency calculations - Flanges, bolting, gaskets, and special components - Positive material identification (PMI) and traceability |
| Topic 5: Repairs, Alterations, Rerating, and Mechanical Integrity | 16% | - Documentation and post-work verification - Authorization and responsibility for work - Rerating, reclassification, and nameplate updates - Pressure relieving devices and overpressure protection - Repair vs alteration definitions and procedures |
API Pressure Vessel Inspector Sample Questions:
How does API-510 facilitate the integration of new inspection technologies into the established inspection routines for pressure vessels?
Reveal Solution Discussion 0Correct Answer:
API-510 facilitates the integration of new inspection technologies by providing a framework that allows for the adoption of advanced methods as they are proven effective and reliable. The standard encourages ongoing research and validation of new technologies, such as phased array ultrasonic testing and digital radiography, and outlines criteria for their implementation in routine inspections. This progressive approach ensures that the inspection practices remain state-of-the-art and can adapt to the evolving demands of modern pressure vessel management.
Whose authorization is required as a minimum prior to the start of any repairs or alterations?
- A. The insurance company
- B. The production manager
- C. The maintenance manager
- D. The authorized pressure vessel inspector
Correct Answer: D 🗳️
Which of the following will vessel rerating involve:
- A. Review Inspection records verify the pressure vessel has been in the proposed service previously
- B. Calculations from either the manufacturer or an owner-user engineer experienced in pressure vessels
- C. Calculations from only a manufacturer experienced in pressure vessels
- D. Use of Non-Code requirements as established in accordance with the alternative rules of API 572
Correct Answer: B 🗳️
Describe the process for re-certifying a pressure vessel that has been out of service for an extended period according to API-510.
Reveal Solution Discussion 0Correct Answer:
Re-certifying a pressure vessel that has been out of service according to API-510 involves a comprehensive inspection and testing process to ensure it meets all current safety standards before being returned to service. This includes a complete internal and external visual inspection, thickness measurements to check for corrosion or erosion, and non-destructive testing to detect any defects.
Additionally, a hydrostatic or pneumatic test must be conducted to verify the integrity of the pressure boundaries. Any issues identified must be repaired, and the vessel must comply with the current versions of the API-510 code before re-certification can be completed.
What documentation must be reviewed and updated after any major alteration or repair to a pressure vessel as per API-510?
- A. The original design documents
- B. The latest inspection report
- C. All relevant documentation, including design, operation, and maintenance
- D. The vessel's operating manual
Correct Answer: C 🗳️
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