Q1157
Pick out the wrong statement about the machinability of metals. Machinability of a metal
A.
Decreases with increase in strain hardening tendencies
B.
Decreases with increase in hardness, in general
C.
Depends on the composition, microstructure and physical & mechanical properties
D.
Decreases with increases in tensile strength & decrease in grain size
AnswerAnswer: Option D
Solution
Answer: Option D
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