Towing & Ship-Assist · Wire Rope & Line
Which characteristic is typical of polypropylene line?
- AIt is heavier than water and sinks
- BIt has the highest strength of any line and never degrades
- CIt is immune to chafe and ultraviolet light
- DIt floats on the surface of the water✓ Correct
Explanation
Polypropylene is lighter than water and floats, which makes it useful for messenger and pickup lines that must not foul a propeller. It is weaker than nylon and degrades faster in sunlight (UV).
Authority: Bowditch (Pub. No. 9)
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