USCG Exam Practice · Knots, Bends, and Hitches
Nylon line is preferred for dock and anchor lines primarily because of which combination of properties?
- AIt floats and resists UV degradation.
- BIt has high strength, excellent shock absorption, and resistance to mildew.✓ correct
- CIt retains full strength when wet and has low stretch under load.
- DIt has lower strength than polypropylene but superior abrasion resistance.
Why B is correct
The Boatswain's Manual identifies nylon's advantages as high strength, excellent shock absorption, and resistance to mildew. Floating and UV resistance describe polypropylene. Nylon actually loses 10–15% strength when wet and stretches under load, making option C incorrect.
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