A.keeps the ends from fraying
B.strengthens it
C.protects your hands
D.becomes part of a splice
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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
A.short splice
B.long splice
C.back splice
D.spindle splice
A.boat fall
B.fairlead
C.riding pawl
D.topping lift
最新試題
If kinking results while wire rope is being coiled clockwise，you should（）.
Anchor shackles should have a breaking strength that is（）.
The strongest method of forming an eye in wire rope is using（）.
Compared to manila line，size for size，nylon line（）.
The signal man assisting a crane operator has his arm extended with his fingers closed and thumb pointing upward. This is the signal to（）.
The rope which is the lightest is（）.
An anchor winch should be equipped with mechanical brakes capable of holding（）.
Back-up wires on a towed vessel provide（）.
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（）.
If an attempt is made to hoist a load that exceeds the capacity of an electric winch，an overload safety device causes a circuit breaker to cut off the current to the winch motor（）.