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Free API-571 Exam Braindumps (page: 37)

Page 36 of 114
PDF with 454 Questions

The effects of hydrogen embrittlement ___________ with _________ temperatures.

  1. Increase, increasing
  2. Decrease, decreasing
  3. Increase, decreasing
  4. Decrease, increasing

Answer(s): D



Temper embrittlement can be identified by a(n) shift in the ductile-to-brittle transition temperature measured in a Charpy impact test.

  1. Upward
  2. Downward
  3. Abrupt
  4. None of the above

Answer(s): A



Cooling water corrosion is a concern with water-cooled __________ and cooling towers in all applications across all industries.

  1. Pumps
  2. Vessels
  3. Piping
  4. Exchangers

Answer(s): D



__________ is a change in the microstructure of steels after exposure in the 850º F to 1400º F range, where the carbide phases in carbon steels are unstable and may agglomerate from their normal plate-like appearance.

  1. Carburization
  2. Spheroidization
  3. Graphiding
  4. 885º Embrittlement

Answer(s): B






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