U.S. Coast Guard Regulations require that no person may transfer oil or fuel to a vessel of 3000 gross tons constructed after June 30, 1974, unless each fuel tank vent overflow and fill pipe is equipped with a/an __________.
• 33 CFR Part 155 requirements for oil and fuel transfers • Special equipment requirements for vessels 3,000 gross tons and above • Purpose of devices used to prevent spills from tank vents, overflows, and fill pipes
• Which option best prevents oil or fuel from escaping onto the deck or into the water during normal fueling and in case of overflow? • For a large vessel (3,000 GT and above), would regulations be more likely to rely on a container, a nozzle, or a built‑in safety device on the tank itself? • Think about which device acts automatically to stop or control flow if pressure or level gets too high, rather than just catching a spill after it happens.
• Check in 33 CFR 155.320–155.330 (or nearby sections) for the exact term used for fuel tank vent/overflow/fill protection on vessels ≥ 3,000 GT. • Verify which choice is a permanently installed safety feature of the fuel system, not just loose or portable equipment. • Confirm which option is specifically described as preventing overfill and spill at the tank vent or fill, not merely collecting spilled oil.
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