Free API-577 Exam Braindumps
Welding Inspection and Metallurgy Questions 26–30 (page: 7)

Updated On: 10-Feb-2026

Which of the following is a practical solution to eliminate or reduce porosity when welding carbon steel?

  1. Reduce travel speed
  2. Proper shielding
  3. Lower heat input
  4. Arc length control

Answer(s): B



A welding engineer or inspector should be notified when a weld has failed a weld quality test more than how many times in order to help determine the cause of the test failure?

  1. ONCE
  2. TWICE
  3. THREE TIMES
  4. FOUR TIMES

Answer(s): B



According to the PQR 8025, does the thickness range qualified concur with the thickness range as stated on the WPS 802?

  1. Yes, but only for thicknesses greater than .280"
  2. No, the material thickness on the PQR should be .375"
  3. Yes, the PQR qualifies the ranges as stated on the WPS
  4. No, the PQR thickness should have been .560"

Answer(s): C



A crack with its major axis oriented approximately perpendicular to the weld axis is called a:

  1. Lamellar crack.
  2. Non-directional crack.
  3. Transverse crack.
  4. Perpendicular crack.

Answer(s): C



What is the purpose of a PQR?

  1. To provide direction to the welder making production welds.
  2. To establish the properties of the weldment.
  3. To document that a welder has correctly followed a WPS.
  4. To establish a welder's capability to make a quality weld.

Answer(s): B



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