The size of fire hydrant hose connections must be either 1-1/2 inches or __________.
Official USCG Answer & Rule Citation
Correct Answer: Option A — 2-1/2 inches
Title 46 CFR mandates standard fire hydrant hose connections to be either 1-1/2 inches or 2-1/2 inches to ensure interchangeability and adequate water volume delivery during shipboard firefighting operations across all inspected vessels.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.