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WPS and PQR Qualification 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.

Read the first 7 WPS and PQR Qualification flashcards as text

  1. How many guided bend specimens are required for procedure qualification of a groove weld under ASME Section IX when the test plate is less than 3/8 inch thick?

    Answer: 1 face bend and 1 root bend

    For base metal less than 3/8 inch thick, ASME Section IX requires one face bend and one root bend test specimen.

  2. During a guided bend test for procedure qualification, a specimen fails if it shows a crack or open defect exceeding:

    Answer: 1/8 inch in any direction

    Per ASME Section IX QW-163, a guided bend specimen fails if any crack or open defect exceeds 1/8 inch measured in any direction after bending.

  3. A reduced-section tension test specimen taken from a procedure qualification test coupon must fracture:

    Answer: At or above the minimum specified UTS of the base metal

    The reduced-section tension test must demonstrate tensile strength equal to or greater than the minimum specified UTS of the base metal, regardless of fracture location.

  4. Which test is NOT routinely required for standard groove weld procedure qualification under ASME Section IX?

    Answer: Hardness test

    Hardness testing is only required for certain P-Numbers and when specifically required by the referencing code; it is not a standard routine test for all groove weld PQRs.

  5. Under AWS D1.1, a groove weld procedure qualification test plate must be subjected to what type of nondestructive examination before mechanical testing?

    Answer: Radiographic or ultrasonic testing

    AWS D1.1 requires radiographic or ultrasonic testing of the procedure qualification test plate prior to cutting mechanical test specimens.

  6. Impact testing (Charpy V-notch) is added as a supplementary essential variable under ASME Section IX when:

    Answer: Impact testing is required by the referencing code or construction standard

    Supplementary essential variables for impact testing become applicable only when the referencing code (e.g., B31.3, BPVC Section VIII) requires notch-toughness testing.

  7. When multiple PQRs are combined to support a single WPS under ASME Section IX, which requirement must be satisfied?

    Answer: All PQRs must share at least one common essential variable range that covers the WPS

    When combining PQRs, the essential variable ranges from each PQR must collectively cover all the variables stated in the WPS.