Free API 653 — Aboveground Storage Tank Inspector Exam Questions and Answers
API 653 — Aboveground Storage Tank Inspector is part of the API Individual Certification Programs from the American Petroleum Institute. API's numeric certifications are named after the standard they test — 510 for pressure vessel inspection, 570 for piping, 653 for storage tanks — while letter codes name a discipline, as with SIFE for Source Inspector Fixed Equipment. Every ICP exam is scaled from 200 to 500 with 400 to pass, sat at a Prometric centre with no reference books allowed into the room.
The first 10 questions on this page are free to read, answers included — no account and no card. A plan opens the rest of the bank, the full timed practice test and your weak-topic reporting.
Last updated: September 7, 2026
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Question #1
A storage tank shows signs of corrosion on its exterior. What should the inspector do first?
Please select an optionIncorrectCorrect answer: D
The first step is to document the findings and inform management to take appropriate action.
Was this answer correct?Question #2
An inspector notices bacterial growth present in a tank's internal lining. What should be done?
Please select an optionIncorrectCorrect answer: D
Before any cleaning or repairs, the tank's integrity must be tested to evaluate the impact of the growth.
Was this answer correct?Question #3
The API 653 specifies certain standards for tank inspections. What is the primary purpose of these standards?
Please select an optionIncorrectCorrect answer: C
The primary purpose of API 653 standards is to ensure safe operation and the integrity of aboveground storage tanks.
Was this answer correct?Question #4
What should the inspector assess when checking for foundation settlement in an aboveground storage tank?
Please select an optionIncorrectCorrect answer: D
The inspector should assess the uniformity of tank height, indicating equal support and structural integrity of the foundation.
Was this answer correct?Question #5
When documenting findings during an inspection, what is the most important aspect to include?
Please select an optionIncorrectCorrect answer: B
Documenting photographic evidence of any damages ensures accurate records and can aid in future inspections and repairs.
Was this answer correct?Question #6
An inspector finds a vent pipe obstructed by debris. What should be done?
Please select an optionIncorrectCorrect answer: A
The obstruction should be reported and removed immediately to ensure proper ventilation and safety of the tank.
Was this answer correct?Question #7
What is a common indicator of settlement issues in an aboveground storage tank?
Please select an optionIncorrectCorrect answer: B
Cracks around the tank base often indicate possible settlement issues that should be investigated further.
Was this answer correct?Question #8
During an API 653 inspection, if a weld shows signs of fatigue, what should be recorded?
Please select an optionIncorrectCorrect answer: C
Documenting the condition of the weld along with recommendations for action is crucial in maintaining tank integrity.
Was this answer correct?Question #9
If a tank has undergone renovations, how long should the inspector wait before conducting a follow-up inspection?
Please select an optionIncorrectCorrect answer: C
A follow-up inspection should generally be conducted after six months to check on any changes post-renovation.
Was this answer correct?Question #10
What is one of the primary causes of external corrosion in various environments?
Please select an optionIncorrectCorrect answer: D
Chemical exposure is a significant contributor to external corrosion, especially in industrial environments.
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FAQ
Learn More: https://www.api.org/products-and-services/individual-certification-programs/certifications/api572
- Q1: What is the API 653 — Aboveground Storage Tank Inspector exam?
- A: API 653 — Aboveground Storage Tank Inspector is a API certification exam. Judging by the questions in our bank, it concentrates on tank, inspector, inspection, aboveground and tanks.
- Q2: What topics does the API 653 — Aboveground Storage Tank Inspector exam cover?
- A: Questions in our API 653 — Aboveground Storage Tank Inspector bank cluster around tank, inspector, inspection, aboveground, tanks, signs, roof and corrosion. Working through the full set is the quickest way to find which of these you are weakest on.
- Q3: How should I prepare for API 653 — Aboveground Storage Tank Inspector?
- A: Work through the API 653 — Aboveground Storage Tank Inspector practice questions here, checking your answer on each one, then sit the practice test to rehearse the exam under timed conditions before the real thing.
- Q4: Are these real API 653 — Aboveground Storage Tank Inspector exam questions?
- A: They are drawn from officially released past questions and from community members who have sat API 653 — Aboveground Storage Tank Inspector. Answers are verified and updated weekly.
- Q5: Where do I register for the API 653 — Aboveground Storage Tank Inspector exam?
- A: Register through API directly at https://www.api.org/products-and-services/individual-certification-programs/certifications/api573. Exampractice is not affiliated with API and does not administer the exam.
- Q6: Is there a free API 653 — Aboveground Storage Tank Inspector sample?
- A: Yes. Every API 653 — Aboveground Storage Tank Inspector page shows a free sample of real questions. Upgrading opens the full bank and the practice test.
- Q7: What are API Certification Exams?
- A: API (American Petroleum Institute) Certification Exams validate your expertise in various areas of the oil and natural gas industry, including inspection, safety, environmental protection, and quality management. These certifications demonstrate your proficiency in industry standards and best practices.
- Q8: Why should I pursue API Certification?
- A: API Certification enhances your professional credibility, demonstrating your skills and knowledge in the petroleum industry. This can lead to better job opportunities, higher salaries, and career advancement in the energy sector.
- Q9: What are the benefits of API Certification?
- A: Benefits include recognition as a certified industry professional, improved job performance, access to exclusive resources, continuing education opportunities, and the ability to stay current with the latest industry standards and regulations.
- Q10: Who should take API Certification Exams?
- A: Engineers, inspectors, safety officers, quality managers, and anyone involved in the petroleum and natural gas industry should consider these certifications to validate their expertise and advance their careers.
- Q11: What types of API Certification Exams are available?
- A: API offers various certification paths, including API 510 (Pressure Vessel Inspector), API 570 (Piping Inspector), API 653 (Aboveground Storage Tank Inspector), API 580 (Risk Based Inspection), and many others tailored to specific roles and expertise levels in the industry.
- Q12: How do I prepare for API Certification Exams?
- A: Preparation can include official API training courses, study guides, practice exams, online resources, and hands-on experience in the relevant areas of the petroleum industry.
- Q13: Where can I take API Certification Exams?
- A: API Certification Exams can be taken at authorized testing centers worldwide, providing flexibility to fit your schedule and location.
- Q14: How do API Certifications impact my career?
- A: API Certifications significantly boost your career by demonstrating your expertise to employers, making you a more competitive candidate for advanced roles and promotions in the petroleum and natural gas industry.
- Q15: Are there any prerequisites for API Certification Exams?
- A: Some exams may have prerequisites, such as foundational knowledge or prior certifications. Check the specific requirements for each certification path on the API website.
- Q16: How often do I need to recertify for API Certifications?
- A: API Certifications typically require recertification every three years to ensure that certified professionals stay updated with the latest industry standards and practices.