Which of the following statements is true regarding the GMAW process?

The statement that GMAW (Gas Metal Arc Welding) can be used with both solid and flux-cored wires is accurate. This versatility is one of the key advantages of the GMAW process, allowing welders to select the appropriate type of filler material based on the specific demands of the welding task. Solid wires are commonly used for applications where a clean weld with a smooth finish is required, while flux-cored wires are advantageous in situations where greater penetration or welding in less-than-ideal conditions is necessary, such as outdoors or with wind.

Solid wires usually require an external shielding gas to protect the weld from contamination, while flux-cored wires can either be self-shielding or require external shielding gas, depending on the type of flux used. This adaptability enhances the range of applications for GMAW, making it suitable for welding various materials and in different environmental conditions.

Understanding these capabilities helps welders select the appropriate materials and settings for their work, optimizing the quality and performance of their welds.