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Chap 10 GAS METAL ARC WELDING EQUIPMENT ,SETUP ,AND OPERATION VOCAB TEST
| Questions |
Answers |
| any spatter produced as the results of short circuits was trapped in the cavity produced by the arc |
buried arc transfer |
| metal transfer in which molten metal from a consumable electrode is deposited during repeated short circuits |
short circuiting transfer |
| very small drops are projected axially across the arc gap to the molten weld pool |
axial spray metal transfer |
| current above a critical level to permit spray transfer |
globular transfer |
| the volt ampere curve of the power supply indicates that there is a slight decrease in voltage as amperage increases |
slope |
| the transfer of molten in large drops from a consumable electrode across the arc |
electrode extention |
| the length of unmelted electrode extending beyound the end of the contact tube during welding |
transsition current |