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| Q. |
During wire cut EDM, the size of the cavity produced by the wire while machining depends upon |
| A. | material of the workpiece |
| B. | di-electric fluid used |
| C. | wire material |
| D. | electric current |
| Answer» D. electric current | |
| Explanation: while machining a high electric current passes through the dielectric fluid and heats the workpiece surface from a very small area. the corresponding workpiece area melts and what is left, is a small round cavity. the cavity size depends on the electric current and potential. | |
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