Towing & Ship-Assist · Wire Rope & Line
Which condition is cause to remove a wire towing hawser from service?
- AExcessive broken wires, kinking, or 'birdcaging' (unlaying of the strands)✓ Correct
- BLight surface rust on the outer wires only
- CThe wire being coiled on a reel
- DThe wire being lubricated
Explanation
A wire rope is condemned when it shows excessive broken wires, kinks, birdcaging, severe corrosion, or significant diameter reduction. These defects sharply reduce strength and the hazard of a parted towline is severe.
Authority: Bowditch (Pub. No. 9)
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