MCQOPTIONS
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| 1. |
What is the temperature of arc needed for arc welding? |
| A. | 600-1000<sup>o</sup>C |
| B. | 2000-4000<sup>o</sup>C |
| C. | 5000-6000<sup>o</sup>C |
| D. | 6000-8000<sup>o</sup>C |
| Answer» D. 6000-8000<sup>o</sup>C | |