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Code Book Application Flashcards

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  1. When AWS D1.1 requires a prequalified WPS, which condition would disqualify it from prequalified status?

    Answer: Exceeding the maximum interpass temperature for the process

    Exceeding the maximum interpass temperature specified in AWS D1.1 removes a WPS from prequalified status and requires qualification testing.

  2. Under AWS D1.1, what is the minimum preheat temperature required for ASTM A514 steel with thickness over 2½ inches when using SMAW?

    Answer: 200°F (95°C)

    AWS D1.1 Table 3.2 requires a minimum preheat of 200°F (95°C) for A514 steel over 2½ inches thick when welded with SMAW.

  3. In AWS D1.1, what does the term 'essential variable' mean in the context of a WPS?

    Answer: A variable that, if changed, requires re-qualification of the WPS

    An essential variable is one whose change beyond specified limits requires requalification of the welding procedure specification.

  4. Per AWS D1.1, a CJP groove weld in a T-joint subjected to tension perpendicular to its axis is classified as which joint category for inspection purposes?

    Answer: Category B

    AWS D1.1 classifies CJP groove welds in T-joints and corner joints as Category B for NDT purposes.

  5. When using AWS D1.1 Table 6.1 for visual inspection of groove welds, what is the maximum allowable undercut depth for a statically loaded member in tension?

    Answer: 1/16 inch (1.6 mm)

    AWS D1.1 Table 6.1 permits undercut not exceeding 1/16 inch (1.6 mm) for statically loaded members in tension.

  6. According to AWS D1.1, which of the following is NOT a required element of a Welding Procedure Specification (WPS)?

    Answer: Welder qualification test results

    Welder qualification test results are documented on a Welder Performance Qualification Record (WPQR/PQR), not on the WPS itself.

  7. Under AWS D1.1, a groove weld tested by a bend test fails if any single open discontinuity exceeds what maximum dimension?

    Answer: 1/8 inch (3.2 mm)

    AWS D1.1 requires bend test specimens to have no open discontinuity exceeding 1/8 inch (3.2 mm) in any direction.