4. An arc will jump a. to the weld pool c. the closest metal conductor b. to the root gap d. the electrode 5. How can a consistent arc length be maintained? a. By not having too high a welding current setting. b. By using a lower welding amperage setting. c. By using the correct size electrode for the metal being joined. d. By constantly lowering the electrode. 6. Why is it important to make cuts in the clean metal between welds on practice plates? a. To see how well the welds are. b. For testing the welds. c. To reuse the practice plates. d. So the good welds can be shown to the instructor