Which of the following is NOT a type of FCAW?

In the context of Flux-Cored Arc Welding (FCAW), understanding the various designations is essential for identifying the types of FCAW processes. The two primary types of FCAW are FCAW-G and FCAW-S.

FCAW-G, or Flux-Cored Arc Welding with Gas Shielding, employs a shielding gas to protect the weld pool, which helps improve the quality of the weld and reduce defects. FCAW-S, or FCAW without external shielding gas, uses the flux inside the core of the wire to provide necessary shielding from atmospheric contamination.

The designation FCAW-C does not exist in the standard terminology used for FCAW processes, which makes it the correct choice for the option that is NOT a recognized type of FCAW. Conversely, FCAW-CG, or FCAW with a gas shield, is a variation similar to FCAW-G, indicating its usage of gas shielding while also referencing the core design of the electrode.

Understanding these classifications is important for welding professionals as it helps in selecting the appropriate welding method for specific applications and materials, ultimately ensuring welding quality and compliance with industry standards.