Question 61

The level of creep damage is a function of the material and the coincident _________ level at which the creep deformation occurs.
  • Question 62

    Susceptibility to temper embrittlement is largely determined by the presence of the alloying elements manganese and _______.
  • Question 63

    Oxygen and iron in the wash water injected into reactor effluent can lead to __________ corrosion and fouling.
  • Question 64

    Stresses acting on the weldments are significantly ________ when austenitic stainless steel filler metal is used. A nickel based filler metal has a coefficient of thermal expansion closer to carbon steel resulting in significantly lower stress at elevated temperatures.
  • Question 65

    Most brittle failures appear as: