Which of the following elements does not impart hardness to steel?
A. Copper
B. Chromium
C. Nickel
D. Silicon
Answer: Option A
Solution(By Examveda Team)
Copper is a soft, malleable and ductile metal with very high thermal and electrical conductivity and it is not impart hardness to steel.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
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