Question 66

With sulfuric acid corrosion, the presence of oxidizers can _______ the corrosion rate.
  • Question 67

    For some materials such as titanium, carbon steel and low alloy steel, the number of cycles to fatigue fracture decreases with ________ until an endurance limit is reached. Below this endurance limit, fatigue cracking will not occur, regardless of the number of cycles.
  • Question 68

    300 Series SS, 400 Series SS and duplex SS are subject to pitting and localized corrosion under insulation. In addition, __________ are also subject to SCC if chlorides are present, while _________ are less susceptible.
  • Question 69

    Which of these materials are susceptible to creep damage?
  • Question 70

    Sulfidation is primarily caused by: