API 653 ABOVEGROUND STORAGE TANK INSPECTOR · PUBLICATION

API 651 in the API 653 Aboveground Storage Tank Inspector exam

Cathodic Protection of Aboveground Petroleum Storage Tanks. Our API 653 Aboveground Storage Tank Inspector bank draws 333 of its 4,702 questions from this publication — 7% — and they cite 129 different clauses, 20 of them open book. The clause list below is counted from those questions, not copied from a syllabus.

Clauses the questions cite

The 40 most cited of 129, in document order. The number is how many questions in our bank reference that clause.

1.1 · 21.2 · 13.2 · 13.5 · 13.9 · 13.11 · 13.15 · 13.16 · 13.20 · 13.21 · 13.23 · 13.25 · 13.28 · 13.31 · 13.35 · 13.37 · 13.40 · 13.45 · 13.47 · 13.50 · 13.53 · 13.57 · 14.1.1 · 54.1.2 · 14.1.3 · 24.1.4 · 24.2.1 · 44.2.2 · 64.3 · 35.1 · 25.1.4 · 35.2.1 · 25.2.2 · 15.2.3 · 15.2.5 · 15.3.1.1 · 25.3.1.4 · 15.3.1.6 · 15.3.2 · 15.3.2.1 · 7

What they ask about

Potential criterion and reference electrode 20Definitions 11Electrical isolation 10Release prevention barriers 10Current requirement test 10Coke breeze 10Differential aeration cell 10IR drop 10Holiday 10Continuity bond 10Anode and cathode 10Soil resistivity classification 10Safety 9Fundamentals 9Installation 8Construction 7Materials 6Corrosion Mechanisms 6Design 5Stray Current 5Galvanic Corrosion 4Disadvantages 4Isolation 4References 3

Free sample questions from API 651

  1. What must be optimized when selecting a CP system per Section 7.3.2-c?

    • A. Only the initial cost
    • B. The color of the rectifier
    • C. Total life cycle costs ✓
    • D. The number of test stations
    • E. The internal lining thickness

    Across the life of the asset, optimization has to cover operation, maintenance, installation, supply and design. API 651, 7.3.2-c

  2. When should the applicable SDS be consulted for the materials involved in a lining project?

    • A. Only after a spill occurs
    • B. Only by the safety manager
    • C. Before conducting any work ✓
    • D. After the project is completed
    • E. Only if a worker feels sick

    Proactive review of SDS is mandatory to ensure all planning and PPE are correct before mobilization. API 651, 12.4

All free API 653 Aboveground Storage Tank Inspector questions

Other publications in this exam

API 653 Aboveground Storage Tank Inspector exam guide4,703 API 653 Aboveground Storage Tank Inspector questions

Counts are from AssetronX’s own question bank and describe what we have written, not what the exam contains. AssetronX is an independent examination-preparation provider and is not affiliated with, endorsed by or accredited by any certifying body or standards organisation. The clause numbers refer to the publications’ own paragraphs; the publications themselves are not reproduced here.