Practice Test Geeks(SPED) Society of Piping Engineers and Designers Certification Practice Test
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Pipe Fabrication & Welding Standards Flashcards

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

Read the first 7 Pipe Fabrication & Welding Standards flashcards as text

  1. A piping isometric drawing shows a dimension labeled 'CL to CL.' What does this typically represent?

    Answer: Center-to-center distance between two pipe centerlines or fittings

    CL to CL (centerline to centerline) is a standard dimensioning method on isometrics measuring the distance between the centerlines of two intersecting pipes or fittings.

  2. Which type of weld discontinuity is classified as a planar defect and is considered most severe for fatigue and fracture assessment?

    Answer: Cracks

    Cracks are planar defects with extremely sharp tips that act as stress concentrators, making them the most detrimental discontinuity for fracture mechanics and fatigue performance.

  3. In the context of pipe fabrication quality control, what is a 'traveler' or 'traveler package'?

    Answer: A documentation package that tracks each spool through all fabrication, inspection, and testing steps

    A traveler (or traveler package) is a quality control document that accompanies each pipe spool through the fabrication shop, recording completion and sign-off for each required operation and inspection.

  4. For socket-weld pipe joints per ASME B31.3, what gap must be maintained between the pipe end and the socket base before welding?

    Answer: Approximately 1/16 inch (1.6 mm) gap to allow for thermal expansion

    ASME B31.3 paragraph 328.5.2 requires that the pipe end be gapped approximately 1/16 inch from the bottom of the socket before welding to prevent stress cracking from differential thermal expansion during service.

  5. What is the function of a 'weld coupon' in a welding procedure qualification?

    Answer: A test piece welded under the specified WPS conditions from which mechanical test specimens are extracted

    A weld coupon is a test assembly welded using the proposed WPS variables, from which tension, bend, and impact specimens are cut and mechanically tested to qualify the procedure.

  6. Which AWS electrode classification is designed for vertical-up and overhead welding of carbon steel pipe using the SMAW process?

    Answer: E6010

    E6010 is a cellulosic fast-freeze electrode that solidifies quickly, enabling out-of-position welding (vertical, overhead) and producing deep penetration ideal for pipe root passes.

  7. According to ASME B31.3, what is the minimum examination requirement for Category D fluid service welds?

    Answer: Visual examination only

    ASME B31.3 paragraph 341.4 specifies that Category D (non-flammable, non-toxic, below design conditions) fluid service requires only visual examination, recognizing its lower risk profile.