You are preparing to load fuel oil on a vessel of 1,600 gross tons constructed after June 30, 1974. Before loading, you must check that the fuel oil tank vents __________.
• 46 CFR fuel oil transfer and tank venting requirements for vessels of 1,600 GT and over • Purpose of fuel oil tank vents and what can make them unsafe before bunkering • Function of a flame screen (flame arrestor) in a vent line
• Which of these choices actually describes a condition of the vent itself rather than nearby equipment or deck arrangements? • Think about what must be true so that any pressure or vapors in the fuel tank can safely escape during loading. • Which option directly reduces the risk of ignition of vapors at the vent outlet during fuel transfer?
• Verify what 46 CFR requires about vent openings and protection (e.g., flame screens) on fuel oil tanks. • Check which answer addresses vent operability (able to breathe freely) rather than spill containment or general fire equipment. • Confirm that nothing in the chosen option would restrict or block the free flow of air/vapors in and out of the vent.
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