Safety, Fire & Survival · Fire — Nozzle Types
A dual-purpose fire nozzle allows the firefighter to select:
- ADry chemical powder
- BOnly a fine mist at all times
- CFoam concentrate only
- DA solid jet for reach or a spray/fog pattern for cooling and personnel protection✓ Correct
Explanation
Dual-purpose (jet/spray) nozzles let the team throw a solid stream for reach and knockdown or switch to a wide spray/fog for heat absorption, smoke control, and a protective water curtain when advancing on a fire. SOLAS requires such nozzles on the fire hoses.
Authority: SOLAS II-2; firefighting references
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