Question 3717Deck General70% to pass
The size of fire hydrant hose connections on a cargo vessel must be either 1-1/2 inches or _______________.
AI Explanation
The correct answer is B) 2-1/2 inches.
According to the regulations for cargo vessels, the size of fire hydrant hose connections must be either 1-1/2 inches or 2-1/2 inches. The 2-1/2 inch size is the standard connection required for the fire main system on cargo vessels. The other options (1 inch, 3 inches, 3-1/2 inches) are not acceptable sizes specified in the regulations.
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