Activity for mcastâ€
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Edit | Post #293730 | Initial revision | — | 9 days ago |
| Answer | — |
A: Why arc welding does not require high voltage to arc? The two parts of your question > I believe arcing requires high voltage. > Then how is arc welding done with about 50 volts? match these two things which must be done, 1. strike the arc, to ionise enough gas in the area that it will conduct 2. sustain the arc, by carrying enough current ... (more) |
— | 9 days ago |