VIP Exclusive
API 653 Aboveground Storage Tank Inspector VIP Certification Exam
API 653 — This exam mirrors the API 653 certification exam administered by the American Petroleum Institute (API), which certifies inspectors for the inspection, repair, alteration, and reconstruction of aboveground storage tanks; the real exam consists of approximately 170 multiple-choice questions administered over approximately 4.5 hours (closed-book and open-book portions combined) with a 70% passing score.
30
Questions
120m
Time Limit
70.00%
To Pass
Question 1 of 30👑 VIP
A vertical cylindrical storage tank has a nominal diameter of 100 ft and stores a product with a specific gravity of 0.90. For the lowest shell course, the height from the bottom of the shell course to the maximum liquid level is 32 ft. The allowable stress (S) for the shell material is 17,500 psi and the joint efficiency (E) is 1.0. Using the API 653 shell thickness formula, what is the calculated minimum acceptable thickness for this shell course?
Questions 2–30 and full explanations are VIP-exclusive.