USCG Exam Practice · Knots, Bends, and Hitches
Which synthetic line material is most appropriate for use as a dock line or anchor line on a small vessel?
- APolypropylene, because it floats and resists UV degradation
- BWire rope, because of its high strength under shock loads
- CNylon, because of its high strength and excellent shock absorption✓ correct
- DPolypropylene, because it retains full strength when wet
Why C is correct
Nylon is identified as the most common dock and anchor line due to its high strength, excellent shock absorption, and resistance to mildew. Polypropylene has lower strength and breaks down under UV exposure, making it less suitable for these applications.
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