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Free API-571 Exam Braindumps (page: 47)

Page 46 of 114
PDF with 454 Questions

Dissimilar metal welds with a 300 Series stainless steel weld metal on a ferritic steel may also result in narrow region of _________ at the toe of the weld, near the fusion line on the ferritic side.

  1. Ductility
  2. Hardness
  3. Cracking
  4. None of the above

Answer(s): B



Stress levels and __________ are the critical factors causing carbonate stress corrosion cracking.

  1. Temperature
  2. Velocity
  3. Water chemistry
  4. None of the above

Answer(s): C



Cracking of dissimilar weld metals occurs in the __________ side of a weld joining 300 Series SS and carbon steel.

  1. Austenitic
  2. Ferritic
  3. Both of the above
  4. None of the above

Answer(s): B



Wet H²S services or _________ acid services are process where hydrogen diffuses into the steel and hydrogen embrittlement (HE) is an issue.

  1. HF
  2. Sulfuric
  3. Caustic
  4. HCL

Answer(s): A






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