Chemical Engineering - Chemical Engineering Basics - Discussion

Discussion Forum : Chemical Engineering Basics - Section 24 (Q.No. 3)
Pick out the wrong statement about the machinability of metals. Machinability of a metal
decreases with increase in strain hardening tendencies.
decreases with increase in hardness, in general.
depends on the composition, microstructure and physical & mechanical properties.
decreases with increases in tensile strength & decrease in grain size.
Answer: Option
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