USCG Exam Practice · Vessel stability — metacentric height, free surface
According to 46 CFR Part 28, downflooding is defined as the entry of seawater through openings in an undamaged vessel due to which of the following?
- ACollision damage below the waterline
- BHeel, trim, or submergence of the vessel✓ correct
- CFlooding through open sea chests
- DWave action over the bow in a seaway
Why B is correct
46 CFR §28.510 defines downflooding as the entry of seawater through any opening into the hull or superstructure of an undamaged vessel due to heel, trim, or submergence of the vessel. The key qualifier is that the vessel is undamaged.
Cited:46 CFR §28.510
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