Consider a case in which a welding operation is being performed with V = 10 volts, I = 100 A and the cross-sectional area of the weld bead is 15 mm2. Estimate the welding speed if the workpiece and electrode are made of aluminum. The specific energy required is u = 2.9 J/mm3 for aluminum.
1
22.98 mm/sec
2
19.39 mm/sec
3
34.50 mm/sec
4
38.79 mm/sec