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Q. |
The electrode wires are usually made form |
A. | graphite |
B. | iron |
C. | nickel |
D. | brass |
Answer» D. brass | |
Explanation: wire used in wire cut edm are usually made of brass – either zinc-coated or uncoated. brass wire can be purchased in different hardnesses and different diameters. zinc coated wire is used in machining high melting point workpiece materials |
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