API 653 Exam Overview

The API 653 Aboveground Storage Tank Inspector certification exam validates the knowledge required to inspect, evaluate, repair, alter, and reconstruct aboveground storage tanks. It is designed for inspection professionals working in industries such as oil and gas, refining, petrochemicals, and industrial storage, where tank integrity and operational safety are essential.

Candidates should understand tank inspection requirements, corrosion mechanisms, thickness measurements, remaining life calculations, welding and nondestructive examination (NDE), tank foundation conditions, repair and alteration requirements, and inspection intervals. The exam emphasizes applying API standards and related reference publications to evaluate tank integrity, determine appropriate inspection activities, and support safe, code-compliant tank operations.

Passcert API 653 Practice Tests help candidates review important tank inspection concepts, identify knowledge gaps, and reinforce preparation alongside the official API Body of Knowledge, applicable codes and standards, and practical inspection experience.

API 653 Exam Information

What Should You Study for the API 653 Exam?

Preparation should focus on the inspection, evaluation, maintenance, and repair of existing aboveground storage tanks. Key study areas include API 653 inspection requirements, corrosion rates, remaining life and inspection interval calculations, shell and bottom thickness assessment, weld joint efficiency, tank settlement, foundation evaluation, welding and NDE, cathodic protection, tank bottom linings, and repair or alteration requirements.

Candidates should also become familiar with the applicable editions of API 653, API 650, API 575, API 651, API 652, and the relevant ASME Boiler and Pressure Vessel Code sections specified in the current exam references. The ability to locate and apply requirements from these publications is important for the open-book portion of the examination.

How to Prepare for the API 653 Exam

Start by reviewing the official API 653 Body of Knowledge and Publications Effectivity Sheet for your scheduled exam window. Study the applicable code requirements and practice calculations involving corrosion rates, remaining life, minimum thickness, and inspection intervals. Develop a clear understanding of when inspection, repair, alteration, or reconstruction requirements apply.

Use practice tests to evaluate your technical understanding, review incorrect answers, and identify areas requiring further study. Combine structured revision with the official API reference publications, calculation practice, and practical aboveground storage tank inspection experience.

How Passcert Supports Your API 653 Exam Preparation

Passcert API 653 Practice Tests help candidates review tank inspection, corrosion assessment, integrity calculations, welding and NDE, repair requirements, and related inspection standards. The materials provide an additional way to assess understanding, identify knowledge gaps, and organize revision around important exam concepts.

Combined with the official API Body of Knowledge, applicable codes and standards, and practical inspection experience, Passcert practice materials provide additional support throughout your API 653 exam preparation journey.