Deck General · Marlinespike & Cordage
Synthetic line of which fiber will float and is commonly used for heaving lines and water-ski tow lines?
- ANylon
- BPolyester (Dacron)
- CPolypropylene✓ Correct
- DManila
Explanation
Polypropylene has a specific gravity less than 1.0, so it floats. Nylon and polyester sink, and manila (natural fiber) becomes waterlogged and sinks.
Authority: Knight's Modern Seamanship; Cordage Institute fiber data
Practice the full Deck General bank
Free spaced-repetition quizzing across 2190 USCG exam questions — it schedules your reviews so the ones you miss come back until they stick.
Related Deck General questions
- Marlinespike & Cordage
Which knot forms a fixed loop that will not slip or jam, making it the standard for putting an eye in a line?
- Marlinespike & Cordage
Which bend is best for joining two lines of unequal diameter?
- Marlinespike & Cordage
Compared with other common synthetics, nylon line is preferred for mooring and towing chiefly because it:
- Stability Definitions
Displacement is best defined as:
- Stability Definitions
Deadweight tonnage (DWT) is defined as:
- Stability Definitions
Lightship displacement includes: