The fatigue failure of a tool is due to – McqOptions

MCQOPTIONS

1.	The fatigue failure of a tool is due to
A.	abrasive friction, cutting fluid and chip breakage
B.	variable thermal stresses, chip breakage and variable dimensions of cut
C.	abrasive friction, chip breakage and variable dimensions of cut
D.	chip breakage, variable thermal stresses and cutting fluid
Answer» C. abrasive friction, chip breakage and variable dimensions of cut

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