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Free API-571 Exam Braindumps (page: 45)

Page 44 of 114
PDF with 454 Questions

Annealed steels are more resistant to Spheroidization than normalized steels. _________ grained steels are more resistant than ______ grained steels.

  1. Fine, Course
  2. Course, Fine
  3. PWHT, Non-PWHT
  4. Non-PWHT, PWHT

Answer(s): B



High strength, low allow steels such as A193-B7 bolts and compressor parts are susceptible to hydrogen stress cracking. A193-B7M bolts are susceptible if __________.

  1. Exposed
  2. Overtorqued
  3. Double nutted
  4. None of the above

Answer(s): B



Which of the following materials is not susceptible to Cl SCC?

  1. 400 Series SS
  2. Duplex SS
  3. Nickel based alloys
  4. All of the above

Answer(s): A



Caustic embrittlement is a form of stress corrosion cracking characterized by surface-initiated cracks that occur in piping and equipment exposed to caustic, primarily adjacent to non-PWHT welds.
Which of the following materials is the most resistant to embrittlement?

  1. Carbon steel
  2. Nickel based alloys
  3. Low alloy steels
  4. 400 Series SS

Answer(s): B






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