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API-577: Welding Inspection and Metallurgy
Free Practice Exam Questions (page: 3)
Updated On: 2-Jan-2026

Page 3 of 29
PDF with 110 Questions

Which of the following is a commonly accepted advantage of flux core arc welding (FCAW)?

  1. Equipment is simple, inexpensive, and portable.
  2. The slag supports and shapes the weld bead.
  3. There is a reduced requirement for ventilation.
  4. There is minimal postweld cleanup.

Answer(s): B



Hardenability of a steel can be an indirect indicator of:

  1. Weldability
  2. Toughness
  3. Strength
  4. Cooling rate

Answer(s): A



The most common measure of weldability and susceptibility to hot cracking of austenitic stainless steels is the ferrite content of the weld metal.
Which of the following ranges is the recommended minimum ferrite content of the weld metal needed to prevent cracking?

  1. 1%-10%
  2. 5%-20%
  3. 8%-18%
  4. 15%-20%

Answer(s): C



For what maximum outside diameter may a radiographic technique be used in which the radiation passes through two walls and the weld in both walls is viewed for acceptance?

  1. 1.5 in. (38.0 mm)
  2. 2.5 in. (63.5 mm)
  3. 3 in. (76.2 mm)
  4. 3.5 in. (90.0 mm)

Answer(s): C



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