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
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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
A.short splice
B.long splice
C.back splice
D.spindle splice
最新試題
Manila lines in which the strands are right-hand laid（）.
The standing part of a tackle is（）.
Limit switches on gravity davits should be tested 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（）.
The rope which is the lightest is（）.
The rolling hitch could be used to（）.
The rope which is rove from the truck to be used with a bos’n chair is called a（）.
A tackle by which the outer end of a boom is raised and lowered is the topping（）.
Extended cyclical variations in tensions will cause an anchor chain to break due to（）.
The signal man assisting a crane operator has his arm extended with his fingers closed and thumb pointing upward. This is the signal to（）.