FCAW: Chapter 12 review questions by:(7th edition
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FCAW: Chapter 12 review questions by:(7th edition by Larry Jeffus) **Comparison with GMAW** FCAW is similar to GMAW in that it uses a constant-potential (CP) or constant-voltage (CV) power supply. What do these power supplies have in common? They are used in FCAW **Atmospheric Contamination** The major atmospheric contaminants of the molten weld metal are oxygen and nitrogen. What are the two main culprits? Oxygen and nitrogen **Slag Functionality** Slag helps an FCAW weld by...