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1. |
Current employed in resistance welding ranges from __________ kVA/cm . |
A. | 1.2 to 2.5 |
B. | 4.5 to 6.2 |
C. | 7.5 to 8.5 |
D. | 10.5 to 15.5 |
Answer» C. 7.5 to 8.5 | |