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: Repairs, Alterations, Rerating, and Mechanical Integrity | 16% | - Repair vs alteration definitions and procedures - Rerating, reclassification, and nameplate updates - Pressure relieving devices and overpressure protection - Authorization and responsibility for work - Documentation and post-work verification |
| Topic 2: Damage Mechanisms and Corrosion Assessment | 22% | - Internal, external, and localized corrosion - Corrosion under insulation (CUI) and environmental degradation - Cracking mechanisms (environmental, fatigue, creep) - High-temperature damage and material degradation - Damage assessment and prioritization |
| Topic 3: Fitness-for-Service, RBI, and Pressure Testing | 12% | - Hydrostatic, pneumatic, and leak testing rules - Risk-based inspection (RBI) principles and application - API 579/ASME FFS-1 screening and assessment - Acceptance criteria and post-test evaluation |
| Topic 4: Design, Materials, and Fabrication Rules | 22% | - MAWP, thickness, and joint efficiency calculations - Flanges, bolting, gaskets, and special components - Positive material identification (PMI) and traceability - ASME Section VIII, V, IX application - Welding, qualification, and PWHT requirements - Material selection, properties, and toughness requirements |
| Topic 5: Inspection Scope, Planning, and Data Evaluation | 28% | - TML/CML selection and measurement planning - Remaining life and corrosion rate calculations - Code scope, jurisdiction, and regulatory requirements - Inspection interval determination and extension rules - Records review and baseline data collection - Inspection methods and technique selection |
API Pressure Vessel Inspector Sample Questions:
Under API-510, how often must the qualifications of a pressure vessel inspector be revalidated through testing or continuing education?
- A. Every 5 years
- B. Every 6 years
- C. Every 3 years
- D. Every 10 years
Correct Answer: C 🗳️
What does API-510 stipulate regarding the minimum required safety systems for a pressure vessel operating in hazardous environments?
- A. Leak detection and fire suppression systems
- B. Fire suppression systems only
- C. Pressure relief and leak detection systems
- D. Only pressure relief systems
Correct Answer: C 🗳️
The definition of a construction code is?
- A. Any standard used to repair vessel
- B. Any standard used to build a vessel
- C. The Code or standard to which a vessel was originally built
- D. Any technique of construction
Correct Answer: C 🗳️
During a vessel alteration, if there is a conflict between the requirements of API 510 and the construction code, which should be followed?
- A. the code with the most stringent requirements
- B. API 510
- C. either the API 510 or the construction code based on inspector's recommendation
- D. the construction code
Correct Answer: B 🗳️
Which of the following is not a responsibility of a pressure vessel inspector according to API-510?
- A. Ensuring compliance with safety standards
- B. Performing inspections
- C. Documenting inspection findings
- D. Designing pressure vessels
Correct Answer: D 🗳️
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