During mould making by wire cut EDM, it is important to harden � – McqOptions

MCQOPTIONS

1.	During mould making by wire cut EDM, it is important to harden to counter the effects of changes in the shape of the workpiece due to heat treatment.
A.	the insert
B.	electrode wire
C.	electrode holding coils
D.	bolting points in the workpiece
Answer» B. electrode wire

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