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Code Book Application Flashcards

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

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  1. Under AWS D1.1, which weld type requires the inspector to verify that the weld size (throat) matches the drawing requirement after welding?

    Answer: Partial joint penetration (PJP) groove weld

    PJP groove welds have a specified effective throat that must be verified, while CJP welds require full penetration, making throat size the inspector's key check for PJP.

  2. In AWS D1.1, what is the minimum overlap required for lap joints using fillet welds?

    Answer: 5t (five times the thinner member thickness)

    AWS D1.1 requires a minimum overlap of 5 times the thickness of the thinner member for lap joints to prevent rotation and peeling.

  3. According to ASME B31.3, what determines whether a weld joint requires 100% radiographic examination?

    Answer: The severity category and fluid service classification

    ASME B31.3 requires 100% RT based on the combination of fluid service category (Normal, Category D, Category M, High Pressure) and the applicable examination severity level.

  4. When AWS D1.1 Table 4.5 lists qualification test positions for plate groove welds, qualification in position 3G and 4G qualifies the welder in which positions?

    Answer: 1G, 2G, 3G, and 4G (all positions)

    Passing qualification tests in both 3G and 4G positions qualifies a welder for all flat, horizontal, vertical, and overhead positions for plate groove welds per AWS D1.1.

  5. Per AWS D1.1, after a weld repair is made to correct a discontinuity found by RT, what must happen before the area is accepted?

    Answer: The repaired area must be re-examined by the same or equivalent NDT method

    AWS D1.1 requires that repaired weld areas be re-examined using the same NDT method (or equivalent) used to detect the original discontinuity.

  6. In AWS D1.1, what is the maximum permitted arc strikes outside the weld area on base metal for structures subject to cyclic loading?

    Answer: Arc strikes are not permitted

    AWS D1.1 prohibits arc strikes outside the weld area on cyclically loaded structures because they create stress risers that initiate fatigue cracking.

  7. According to AWS D1.1, which document authorizes a welder to perform production welding?

    Answer: The Welder Performance Qualification Record

    The Welder Performance Qualification Record (sometimes called WPQR) documents that the welder has passed the required tests and is authorized to weld under the applicable WPS.