Source: International Convention for the Safety of Life at Sea (SOLAS), Chapter II-2, Part C – Suppression of Fire, Regulation 10.
Reference: imorules.com – Regulation 10
Question 5 of 10
5. In passenger ships of 1,000 gross tonnage and upwards, at least one effective jet of water shall be immediately available from any hydrant in an interior location, ensuring continuation of output by: