MCQOPTIONS
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| 1. |
Power consumption in D.C. arc welding is |
| A. | less than the power consumption in A.C. arc welding |
| B. | more than the power consumption in A.C. arc welding |
| C. | similar to the power consumption in A.C. arc welding |
| D. | very difficult to calculate |
| Answer» C. similar to the power consumption in A.C. arc welding | |