Crater wear always starts at some distance from the tool tip because a

1.	Crater wear always starts at some distance from the tool tip because at that point
A.	cutting fluid does not penetrate
B.	chip tool interface temperature is maximum
C.	normal stress on rake face is maximum
D.	tool strength is minimum
Answer» C. normal stress on rake face is maximum

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Crater wear always starts at some distance from the tool tip because at that point

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