API-571 Exam Question 36

Blistering, HIC and SOHIC have been found to occur between ambient and ________.
  • API-571 Exam Question 37

    With steam blanketing, failure occurs as a result of _________ in the tube from the internal steam pressure at the elevated temperature.
  • API-571 Exam Question 38

    ________ is a form of carbon that may promote carburization, particularly during decoke cycles where temperatures exceed the normal operating temperatures.
  • API-571 Exam Question 39

    Stainless steels with sigma can normally withstand normal operating stresses but upon cooling to temperatures below _______ may show a complete lack of fracture toughness as measured by a Charpy impact test.
  • API-571 Exam Question 40

    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?