SC Pressure And Process Piping Practice Questions - South Carolina Pressure And Process Piping Contractor Examination Exam

How does self-shielded flux-cored arc welding (FCAW-S) differ from gas-metal arc welding (GMAW) on piping?

FCAW-S uses a tubular wire whose flux generates a shielding gas, so an external cylinder is not required FCAW-S can only be used on aluminum sheet GMAW never uses a shielding gas, while FCAW-S always does Both processes are prohibited by B31.3 for every fluid service

Correct Answer:

FCAW-S uses a tubular wire whose flux generates a shielding gas, so an external cylinder is not required

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