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| Q. |
The temperature above which most soft steels become nonmagnetic is about: |
| A. | 440ºC(770oF) |
| B. | 523ºC (975ºF) |
| C. | 626ºC (1160ºF) |
| D. | 754ºC (1390ºF) |
| Answer» D. 754ºC (1390ºF) | |
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