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Free API-571 – Corrosion and Materials Practice Test Question

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Showing 10–12 of 20 questions

Question 10

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

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  • ○

    Pressure
  • ○

    Material properties
  • ○

    Exposure time
  • ○

    Velocity
Question 11

________ eliminates the susceptibility of most common steels to SCC.

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  • ○

    Preheat
  • ○

    High temperature
  • ○

    PWHT
  • ○

    All of the above
Question 12

Ammonium chloride salts are hydroscopic and readily absorb water. A ________ amount of water can lead to very aggressive ammonium chloride corrosion.

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  • ○

    Large
  • ○

    Small
  • ○

    Proper
  • ○

    Improper