Free API-571 Exam Braindumps
Corrosion and Materials Professional Questions 96–100 (page: 21)

Updated On: 9-Feb-2026

The extent and depth of decarburization is a function of temperature and ______.

  1. Pressure
  2. Material properties
  3. Exposure time
  4. Velocity

Answer(s): C



Corrosion of the anode may be significantly higher ________ to the connection to the cathode, depending on solution conductivity.

  1. Parallel
  2. Adjacent
  3. Diagonally
  4. Perpendicular

Answer(s): B



Conditions favoring carburization include a high gas phase carbon activity and _______ oxygen potential.

  1. Low
  2. High
  3. Negative
  4. Positive

Answer(s): A



Susceptibility to temper embrittlement is largely determined by the presence of the alloying elements manganese and _______.

  1. Chromium
  2. Moly
  3. Silicon
  4. None of the above

Answer(s): C



Improved resistance to erosion is usually achieved through increasing substrate ________ using harder alloys, hard facing or face-hardening treatment.

  1. Composition
  2. Stress
  3. Hardness
  4. None of the above

Answer(s): C



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