Which statement about PPE shade settings is correct?

• A. Shade settings are always identical for all welding processes.
• B. Shade settings may differ between GMAW and GTAW.
• C. PPE is not required for GTAW.
• D. GTAW requires the darkest shade in all cases.

Answer: (B)

Shade settings are chosen based on the welding process because each process emits different levels of radiant energy that reach the eyes. GMAW typically has a bright, continuous arc that delivers substantial UV and IR radiation, so a darker shade is often required to protect vision. GTAW uses a tungsten electrode and usually produces a smaller, less intense arc, which can be protected with a lighter shade under typical conditions. The exact shade should also account for amperage, material, and welding position, since these factors influence how much radiation you’re exposed to. Other statements aren’t correct because PPE is required for GTAW, and shade is not identical across all processes nor always the darkest in every case.