Free API-571 Exam Braindumps (page: 27)

Page 26 of 114

Alloys with nickel content above _________ are highly resistant to Cl SCC. The greatest susceptibility is 8% to 12% nickel.

  1. 15%
  2. 20%
  3. 30%
  4. 35%

Answer(s): D



_________ corrosion rates are found in a gas oil desulfurizers and hydrocrackers than naphtha desulfurizers and hydrocrackers by a factor of almost "2".

  1. Lower
  2. Higher
  3. Sulfidization
  4. Hydrogen corrosion

Answer(s): B



The accepted way to test for temper embrittlement is ________.

  1. Impact testing
  2. Metallographic
  3. RT
  4. UT Shear wave

Answer(s): A



________ eliminates the susceptibility of most common steels to SCC.

  1. Preheat
  2. High temperature
  3. PWHT
  4. All of the above

Answer(s): C






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