Consider a situation in which a welding operation is being performed with V = 20 volts, I = 200 A, and the cross-sectional area of the weld bead is 30 mm2. Estimate the welding speed if the workpiece and electrode are made of (a) aluminum, (b) carbon steel, and (c) titanium. Use an efficiency of 75%.

Fusion welding is a process that involves heating two pieces until they melt and combine into one. The heat source can be an electric arc, gas flame, or laser beam.

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Manufacturing Engineering Practice Test: Welding Basics