The correct sequence of operations for machining a precise rectangular – McqOptions

MCQOPTIONS

1.	The correct sequence of operations for machining a precise rectangular window in a through-hardening die steel workpiece is
A.	heat treatment, surface grinding, drilling, wire EDM
B.	drilling, wire EDM, heat treatment, surface grinding
C.	drilling, heat treatment, surface grinding, wire EDM
D.	surface grinding, heat treatment, wire EDM, drilling
Answer» C. drilling, heat treatment, surface grinding, wire EDM

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