MCQOPTIONS
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| 1. |
In arc welding, the temperature of heat produced by the electric arc is of the order of |
| A. | 3000° C to 4000° C |
| B. | 4000° C to 5000° C |
| C. | 5000° C to 6000° C |
| D. | 6000° C to 7000° C |
| Answer» E. | |