Which of the following statements represents the Coast Guard Regulations (46 CFR) applicable to the equipment required in a fireman's outfit?

Correct Answer: Option B — The assembled lifeline shall have a minimum breaking strength of 1,500 pounds (683.8 kg).

Per 46 CFR, the lifeline attached to a fireman's outfit must possess a minimum breaking strength of 1,500 pounds. This ensures the line can safely support the weight of a firefighter and their gear during rescue operations, providing a reliable means of communication and extraction from hazardous, smoke-filled compartments.