28-31
In GMA welding, the voltage is set and the amperage is set On the welder, on the welder by changing the wire-feed speed, on the welder On the welder, by changing the wire-feed speed by changing the wire-feed, by changing the wire-feed speed. Electrode wire has a natural curve that is known as its. curve cast diameter circle. The perpendicular welding gun angle produces welds that have more penetration and less reinforcement have a good balance between penetration and reinforcement have less penetration and more reinforcement are more likely to cause burnthrough than any other welding gun angle
28) Mixture of Argon with less than 10%CO2 will not have enough arc voltage to give desired results.
option -B
29)Voltage is set on the welder and ampere is set by changing the wire feed speed
option- C
30)electrode wire has a natural curve that is known as its cast
option - B
31)Perpendicular gun angle will have a good balance between penetration and reinforcement
option - B
Homework Sourse
