Which of the listed characteristics applies to a semi-portable CO2 system?

Correct Answer: Option B — It has a portable hose and nozzle.

Semi-portable CO2 systems, as defined in 46 CFR 34.15, are designed for localized hazards exceeding the capacity of hand-portable units. They feature a larger cylinder capacity mounted on a frame or wheels, equipped with a length of hose and a discharge nozzle to provide extended reach for manual firefighting operations.