The ability of a material to resist softening at high temperature is known as
A. Creep
B. Hot tempering
C. Hot hardness
D. Fatigue
Answer: Option C
Solution (By Examveda Team)
hot hardness or red hardness corresponds to hardness of a material at high temperatures.As the temperature of material increases, hardness decreases and at some point a drastic change in hardness occurs
This Question Belongs to Mechanical Engineering >> Engineering Materials
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