A material is capable of resisting softening at high temperature, because of its property termed as____________________?
Correct answer: C. Hot hardness
- A. Hot temper
- B. Fatigue
- C. Hot hardness
- D. Creep
Explanation
Hot hardness is the ability of a material to retain its hardness and cutting performance at elevated temperature. Creep describes slow deformation under sustained stress, not resistance to softening itself.
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