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
Related Questions on Engineering Materials
Manganese is added in low carbon steel to
A. Make the steel tougher and harder
B. Raise the yield point
C. Make the steel ductile and of good bending qualities
D. All of the above
The elastic stress strain behavior of rubber is
A. Linear
B. Nonlinear
C. Plastic
D. No fixed relationship
Join The Discussion