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| Q. |
The required DC voltage for arc welding is- |
| A. | 6 to 9 V |
| B. | 50 to 60 V |
| C. | 200 to 250 V |
| D. | 90 to 100 V |
| Answer» C. 200 to 250 V | |
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Explanation: 0 |
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