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API 510 PRESSURE VESSEL INSPECTOR · PUBLICATION

API 577 in the API 510 Pressure Vessel Inspector exam

Welding Processes, Inspection, and Metallurgy. Our API 510 Pressure Vessel Inspector bank draws 670 of its 6,091 questions from this publication — 11% — and they cite 173 different clauses, 8 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 173, in document order. The number is how many questions in our bank reference that clause.

2.1 · 12.2 · 12.4 · 13.0 · 153.1 · 403.1.39 · 24.1 · 24.2.1 · 24.3 · 34.3.1 · 54.3.2 · 34.3.3 · 24.4.1 · 34.4.2 · 24.4.2.1 · 34.4.2.2 · 34.4.2.3 · 24.4.2.4 · 14.4.2.5 · 14.4.4 · 14.4.7 · 14.5.1 · 44.5.2 · 14.5.3 · 24.6.1 · 24.6.2 · 14.6.3 · 24.7.1 · 34.7.2 · 14.8.1 · 14.8.2 · 14.8.3 · 14.8.4 · 14.8.5 · 14.9.1 · 54.9.2 · 14.9.3 · 25.1 · 95.2 · 25.3 · 2

What they ask about

Welding 29Definitions 22RT 21Metallurgy 16GTAW 16Discontinuities 12Hardness Testing 11UT 10Consumables 10High Alloys 10Materials 9Weld Defects 9EGW 9WPS/PQR 8NDE 7ACFM 7GMAW Transfer 7Discontinuity Identification 7Radiography 6FCAW 6SAW 6Welder Qualification 6Pressure Testing 6Welding Metallurgy 6

Free sample questions from API 577

  1. Which non-consumable electrode material is used in the Gas Tungsten Arc Welding (GTAW) process?

    • A. Low-hydrogen carbon steel
    • B. Aluminum
    • C. Tungsten ✓
    • D. Copper-nickel
    • E. Stainless steel

    GTAW uses a non-consumable tungsten electrode to create the arc; filler metal is added separately if required. API 577, 4.3.1

  2. Which welding process utilizes a blanket of granular, fusible flux to shield the arc and the molten weld pool?

    • A. FCAW
    • B. GMAW
    • C. PAW
    • D. SAW ✓
    • E. EGW

    Submerged Arc Welding (SAW) buries the arc under a layer of flux, which eliminates the need for external shielding gas and prevents arc flash. API 577, 4.6.1

  3. For faster travel speeds and deeper penetration in GTAW, which polarity is the usual choice?

    • A. DCEP
    • B. DCEN ✓
    • C. AC only
    • D. Straight Reverse Polarity
    • E. Variable Voltage

    DCEN (Electrode Negative) concentrates more heat at the workpiece, resulting in better penetration. API 577, 4.3.1

All free API 510 Pressure Vessel Inspector questions

Other publications in this exam

API 510 · 1,555ASME PCC 2 · 805API 571 · 456ASME IX · 456ASME V · 383ASME VIII 1 · 315API 576 · 244
API 510 Pressure Vessel Inspector exam guide6,091 API 510 Pressure Vessel 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.