USCG Exam PracticeDeck machinery and ground tackle
What is the function of the swivel in a ground tackle assembly?
- A. To join the anchor chain to the anchor in place of a bending shackle
- B. To allow the bitter end of the chain to be slipped in an emergency
- ✓ To prevent turns from building in the chain as the vessel swingsCorrect
- D. To connect two separate shots of chain at a detachable link
Why C is correct
The swivel is a ground tackle appendage that prevents twist from accumulating in the chain as the vessel swings at anchor. The bending shackle joins chain to anchor; the pelican hook or clench secures the bitter end; detachable links join shots.
Cited:NAVEDTRA 14343 §4-1