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Free API-571 – Corrosion and Materials Practice Test Question

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Showing 1–3 of 20 questions

Question 1

With high temperature sulfide corrosion (Sulfidization), noticeable increases may be found downstream of _________ injection points.

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  • ○

    Hydrogen
  • ○

    Caustic
  • ○

    Ammonia
  • ○

    Water
Question 2

Cracks that are typically straight, non-branching, and devoid of any associated plastic deformation are likely associated with which type of failure?

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  • ○

    Stress corrosion cracking
  • ○

    Brittle fracture
  • ○

    Thermal fatigue
  • ○

    Temper embrittlement
Question 3

Corrosion from oxygen tends to be __________ type damage and can show up anywhere even if only very small amounts break through the scavenging system.

Select an option, then click Submit answer.

  • ○

    General
  • ○

    Localized
  • ○

    Pitting
  • ○

    Cracking