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Welder Testing & Quality Assurance Flashcards

7 cards from real AWS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Welder Testing & Quality Assurance flashcards as text

  1. A production weld radiograph shows a rounded indication 3/32 inch in diameter in a 3/4-inch thick plate. Under AWS D1.1, this indication is:

    Answer: Acceptable — it is within the size limit for that thickness

    AWS D1.1 allows rounded indications up to 3/32 inch for base metal thicknesses between 1/2 inch and 1 inch.

  2. What is the purpose of a macro-etch test on a welder qualification sample?

    Answer: To visually evaluate cross-sectional weld profile, fusion, and internal discontinuities after etching

    A macro-etch test reveals the weld cross-section after cutting and etching, allowing evaluation of fusion, penetration, and internal discontinuities.

  3. Which type of discontinuity is considered LINEAR in radiographic testing?

    Answer: Cracks

    Cracks are linear discontinuities because they have a significantly greater length-to-width ratio, making them especially dangerous stress concentrators.

  4. A welder is qualified using SMAW with an E7018 electrode. Can this qualification be used for GMAW production welding on the same base metal?

    Answer: No — each welding process requires separate qualification

    Under AWS qualification standards, a change in welding process is an essential variable that requires the welder to requalify under the new process.

  5. What is the minimum face bend and root bend specimen width for a 3/4-inch thick plate qualification test per AWS D1.1?

    Answer: 1-1/2 inches

    AWS D1.1 requires guided bend specimens to be at least 1-1/2 inches wide for plate thicknesses of 3/4 inch and above.

  6. A Charpy V-notch impact test is used in welder/procedure qualification. What property does this test primarily evaluate?

    Answer: Notch toughness and resistance to brittle fracture at a specified temperature

    Charpy V-notch tests measure the energy absorbed during fracture, indicating toughness and the material's resistance to brittle failure, especially at low temperatures.

  7. Under AWS D1.1, how long does a welder's qualification remain in effect if they have not welded with that process for 6 months?

    Answer: The qualification expires and the welder must requalify

    AWS D1.1 requires that a welder who has not used a welding process for a period exceeding 6 months must requalify for that process.