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 |
|---|---|---|
| Inspection Scope, Planning, and Data Evaluation | 28% | - Records review and baseline data collection - Code scope, jurisdiction, and regulatory requirements - Inspection methods and technique selection - TML/CML selection and measurement planning - Remaining life and corrosion rate calculations - Inspection interval determination and extension rules |
| Repairs, Alterations, Rerating, and Mechanical Integrity | 16% | - Rerating, reclassification, and nameplate updates - Repair vs alteration definitions and procedures - Authorization and responsibility for work - Documentation and post-work verification - Pressure relieving devices and overpressure protection |
| Damage Mechanisms and Corrosion Assessment | 22% | - Cracking mechanisms (environmental, fatigue, creep) - High-temperature damage and material degradation - Corrosion under insulation (CUI) and environmental degradation - Internal, external, and localized corrosion - Damage assessment and prioritization |
| Fitness-for-Service, RBI, and Pressure Testing | 12% | - Hydrostatic, pneumatic, and leak testing rules - Acceptance criteria and post-test evaluation - Risk-based inspection (RBI) principles and application - API 579/ASME FFS-1 screening and assessment |
| Design, Materials, and Fabrication Rules | 22% | - MAWP, thickness, and joint efficiency calculations - ASME Section VIII, V, IX application - Welding, qualification, and PWHT requirements - Flanges, bolting, gaskets, and special components - Material selection, properties, and toughness requirements - Positive material identification (PMI) and traceability |
API Pressure Vessel Inspector Sample Questions:
Increasing hardness of the metal substrate is not always a good indicator of improved resistance to
__________, particularly where corrosion plays a significant role.
- A. stress corrosion cracking
- B. ductile failure
- C. stress corrosion
- D. erosion
Correct Answer: D 🗳️
What does API-510 require to verify a welder's qualifications when welding on a pressure vessel?
- A. Performance qualification records
- B. A practical demonstration
- C. A written test
- D. Inspection of previous work
Correct Answer: A 🗳️
Which of the following is a primary focus of an API-510 inspection?
- A. Safety and integrity
- B. Operational efficiency
- C. Aesthetic appearance
- D. Cost-effectiveness
Correct Answer: A 🗳️
How does API-510 facilitate the continuous improvement of pressure vessel inspection and maintenance practices?
Reveal Solution Discussion 0Correct Answer:
API-510 facilitates the continuous improvement of inspection and maintenance practices by incorporating feedback loops, regular updates to the standards, and promoting the adoption of new technologies and methodologies. The standard encourages organizations to conduct post-inspection reviews and root cause analyses of any failures or near misses, which help in refining practices and preventive measures. Additionally, API-510 supports ongoing professional development and training for inspectors, ensuring they are equipped with the latest knowledge and skills to effectively manage pressure vessel integrity.
The best description of Temper embrittlement is:
- A. Loss of ductility and notch toughness due to exposure above 650°F - 1100°F
- B. Cracking due to operating at high temperatures above 650°F - 1100°F
- C. Flaking of the metal surfaces, causing dip pits due to exposure above 650ºF -1100°F
- D. Cracking due to low temperature service
Correct Answer: A 🗳️
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