A.half the breaking strength of the mooring line
B.the full breaking strength of the mooring line
C.the maximum expected tension of the mooring line
D.50% over the working tension of the mooring line
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A.removed from the anchor chain
B.connected to a buoy at the anchor
C.stripped back to the rig and secured
D.connected to a buoy halfway down the chain
A.keeps the ends from fraying
B.strengthens it
C.protects your hands
D.becomes part of a splice
A.a messenger
B.a stopper for nylon line
C.a U-bolt for securing a cargo whip to the winch drum
D.turns of twine around a rope end
A.boom
B.lift
C.raise
D.tackle
A.riding pawl
B.buckler
C.devil's claw
D.locking ring
最新試題
In securing a towing cable，consideration must be given to letting go in an emergency. The possible whip of towlines when released can be overcome by（）.
In moderate wind and current what should be the length of chain with a single anchor?（）
Chafing gear is normally used（）.
The purpose of a devil’s claw is to（）.
A whipping on a fiber line（）.
Extended cyclical variations in tensions will cause an anchor chain to break due to（）.
The rolling hitch could be used to（）.
After deploying the anchor，a permanent chain chaser is（）.
The size of wire rope is determined by the（）.
The rope which is the lightest is（）.