What Coast Guard Regulations apply to the equipment of a fireman's outfit?

Correct Answer: Option B — The helmet shall provide effective protection against impact.

46 CFR Subchapter F outlines the requirements for a fireman's outfit, which includes protective clothing, a self-contained breathing apparatus, and a lifeline. The helmet must be constructed to provide effective protection against impact and falling objects, which is a critical safety requirement for personnel entering hazardous fire zones.