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API API-510 : Pressure Vessel Inspector

API-510 real exams

Exam Code: API-510

Exam Name: Pressure Vessel Inspector

Updated: Jul 22, 2026

Q & A: 175 Questions and Answers

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API-510 exam dumps

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API API-510 Exam Syllabus Topics:

SectionWeightObjectives
Damage Mechanisms and Corrosion Assessment22%- Damage assessment and prioritization
- Cracking mechanisms (environmental, fatigue, creep)
- Internal, external, and localized corrosion
- Corrosion under insulation (CUI) and environmental degradation
- High-temperature damage and material degradation
Inspection Scope, Planning, and Data Evaluation28%- Remaining life and corrosion rate calculations
- Inspection methods and technique selection
- Inspection interval determination and extension rules
- Code scope, jurisdiction, and regulatory requirements
- TML/CML selection and measurement planning
- Records review and baseline data collection
Repairs, Alterations, Rerating, and Mechanical Integrity16%- Authorization and responsibility for work
- Documentation and post-work verification
- Pressure relieving devices and overpressure protection
- Rerating, reclassification, and nameplate updates
- Repair vs alteration definitions and procedures
Design, Materials, and Fabrication Rules22%- Material selection, properties, and toughness requirements
- Welding, qualification, and PWHT requirements
- MAWP, thickness, and joint efficiency calculations
- ASME Section VIII, V, IX application
- Flanges, bolting, gaskets, and special components
- Positive material identification (PMI) and traceability
Fitness-for-Service, RBI, and Pressure Testing12%- Acceptance criteria and post-test evaluation
- Hydrostatic, pneumatic, and leak testing rules
- API 579/ASME FFS-1 screening and assessment
- Risk-based inspection (RBI) principles and application

API Pressure Vessel Inspector Sample Questions:

1. Under API-510, which type of inspection is mandatory after the alteration of a pressure vessel?

A) Ultrasonic testing
B) Radiography
C) External inspection
D) Internal inspection


2. Which type of corrosion mechanism is not directly addressed in API-510?

A) Crevice corrosion
B) Galvanic corrosion
C) Atmospheric corrosion
D) High-temperature hydrogen attack


3. Before non-destructive procedures are used in lieu of hydrostatic testing, what must be done?

A) The API inspector must be consulted
B) An engineer experienced in pressure vessel design and the API inspector must be consulted
C) An experienced engineer must be consulted
D) The API inspector and NBIC inspector must be consulted


4. Under which of the following condition(s) should you require the removal of safety relief device(s)?

A) If a pressure test is being conducted in which the test pressure will exceed the set pressure of the safety relief valve with the lowest setting
B) Blowback had been detected and the manufacturers recommend removal
C) Surface corrosion on the body of the relief device
D) The safety relief device was opening on a irregular, unexplainable basis


5. What is the minimum required experience in years for an API-510 inspector with a high school diploma?

A) 1 year
B) 5 years
C) 10 years
D) 3 years


Solutions:

Question # 1
Answer: D
Question # 2
Answer: C
Question # 3
Answer: B
Question # 4
Answer: A
Question # 5
Answer: D

API-510 Related Exams
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API-1184 - Pipeline Facility Construction Inspector Exam
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