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Pressure Vessel Inspector: API-510 Exam
"Pressure Vessel Inspector", also known as API-510 exam, is a API Certification. With the complete collection of questions and answers, PrepAwayTest has assembled to take you through 175 Q&As to your API-510 Exam preparation. In the API-510 exam resources, you will cover every field and category in Individual Certification Programs Certification helping to ready you for your successful API Certification.
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Knowing the subject is only part of API-510 preparation; applying it under time limits is another. In 2026, PrepAwayTest test engines let you practice API Pressure Vessel Inspector questions in timed modes and review your progress across the 175-question set.
API API-510 Exam Overview:
| Certification Vendor: | American Petroleum Institute (API) |
|---|---|
| Exam Name: | Pressure Vessel Inspector |
| Exam Number: | API-510 |
| Available Languages: | English |
| Exam Format: | Open Book, Closed Book, Multiple Choice |
| Exam Duration: | 240 (Closed Book) + 180 (Open Book) |
| Exam Price: | USD 1,050 - 1,300 (varies by region/retake) |
| Related Certifications: | API 570 Piping Inspector API 653 Tank Inspector API 510 Pressure Vessel Inspector Certification |
| Real Exam Qty: | 145 (Part A) + 10 (Part B) |
| Passing Score: | Minimum scaled score of 70% |
| Certificate Validity Period: | 3 years |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online (Computer Based Testing) or Paper-based at approved test centers. |
| Pre Condition: | Minimum of 5 years experience in pressure vessel inspection, design, fabrication, or repair. Education may substitute for up to 2 years of experience. |
| Official Syllabus URL: | https://www.api.org/products-and-standards/certifications-and-licensing/individual-certification-programs/icp-pressure-vessel |
API API-510 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Part A - Closed Book (Morning Session) | - API 572: Inspection Practices for Pressure Vessels
|
| Part B - Open Book (Afternoon Session) | - ASME BPVC Section VIII: Rules for Construction of Pressure Vessels
|
Frequently Asked Questions for the API API-510 Exam
The API-510 exam, Pressure Vessel Inspector, assesses whether a candidate can apply API knowledge to the skills measured by this credential. It is associated with the Individual Certification Programs certification. The certification is positioned at the Intermediate level. Related credentials include API 510 Pressure Vessel Inspector Certification, API 570 Piping Inspector, API 653 Tank Inspector.
The API-510 exam includes 145 (Part A) + 10 (Part B) questions and allows 240 (Closed Book) + 180 (Open Book). Plan your pacing before exam day rather than calculating it under pressure. Timed sessions with PrepAwayTest practice tests can help you decide when to flag a difficult item, keep moving, and reserve enough time for a final review.
The published passing score for API Pressure Vessel Inspector is Minimum scaled score of 70%, and the official exam fee is USD 1,050 - 1,300 (varies by region/retake). A retake requires budgeting for the full official fee again, so it is sensible to complete several timed practice tests before scheduling. Consistent results across the 175 practice questions can give you a clearer picture of your readiness.
The stated prerequisite information for API Pressure Vessel Inspector is: Minimum of 5 years experience in pressure vessel inspection, design, fabrication, or repair. Education may substitute for up to 2 years of experience. Before registering, review the eligibility details on the official exam page to confirm the requirements.
Yes. PrepAwayTest provides a free PDF demo so you can review the format and quality of the API Pressure Vessel Inspector practice questions before placing an order. Your purchase includes 365 days of free updates, and you can extend the update service after expiration at a 50% discount.
If you take the corresponding API-510 exam within 60 days of purchase and do not pass, you may apply for a full refund under the 100% Money Back Guarantee. Claims based on an exam taken within 3 days of purchase are not eligible; free materials, expired orders, and downloaded products that were not used before sitting for the exam are also excluded. The candidate name must match the payer name.
To apply, submit a scanned enrollment slip and the official Score Report PDF within 2 days after the exam. Eligible requests are processed within 7 days. If you prefer an alternative, you may receive two free products of equal value and keep the update service for your original purchase.
Delivery is instant after payment. Your download is also sent to your email within one minute; if it has not arrived within 2 hours, contact customer service. There is no limit on the number of computers on which the material can be installed.
The published API Pressure Vessel Inspector outline contains 2 major domains. The opening domains include:
- Part A - Closed Book (Morning Session) (official weight not provided)
- Part B - Open Book (Afternoon Session) (official weight not provided)
Review the complete Exam Topics section above for every domain and subtopic before planning your study time.
API Pressure Vessel Inspector Sample Questions:
To exempt a vessel from internal inspections, what is the value of the corrosion rate that cannot be exceeded?
- A. 0.001" per year
- B. 0.005" per year
- C. 0.005" between inspections not to exceed 3 years between inspections
- D. 0.001" between inspections not to exceed 5 years between inspections
Correct Answer: B 🗳️
The API authorized pressure vessel inspector may give prior authorization for repairs that do not involve:
- A. Radiography
- B. Pressure tests
- C. Pneumatic testing
- D. Final visual inspections
Correct Answer: B 🗳️
Discuss the role of API-510 in ensuring environmental compliance for pressure vessels.
Reveal Solution Discussion 0Correct Answer:
API-510 plays a significant role in ensuring environmental compliance for pressure vessels by setting standards that minimize the risk of leaks and emissions, which can have detrimental effects on the environment. The standard requires regular inspections and maintenance to ensure the integrity of the vessels, thereby preventing accidental releases of hazardous substances. API-510 also promotes the use of environmentally friendly materials and technologies in the construction and repair of pressure vessels.
API 510 covers vessels constructed to which fabrication codes?
- A. any fabrication code
- B. only ASME B&PV Section VIII
- C. only ASME B&PV Section VIII and the API/ASME Code for Unfired Pressure Vessels
- D. ASME B&PV Section VIII and other current codes (except French vessel code)
Correct Answer: A 🗳️
Describe the considerations and procedures for pressure testing insulated pressure vessels under API-510.
Reveal Solution Discussion 0Correct Answer:
Pressure testing insulated pressure vessels under API-510 involves several considerations to ensure that the insulation does not conceal leaks or damage. Before testing, inspectors typically require that sections of insulation be removed to expose the vessel surface, particularly in areas prone to corrosion or wear. The testing itself, whether hydrostatic or pneumatic, must be conducted at pressures specified by API-510 to simulate operational conditions accurately. After testing, the insulation must be carefully replaced and inspected to ensure that it maintains its protective properties. Documentation of the entire process is crucial for future inspections and maintenance records.
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