A.number of strands
B.number of wires in each strand
C.circumference
D.diameter
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A.raise the boom
B.raise the hook
C.raise the boom and hook
D.check the boom stop
A.manila
B.nylon
C.polypropylene
D.dacron
A.gantline
B.life line
C.strop
D.whip
A.join two lines of different sizes
B.join two lines of equal sizes
C.add strength to a weak spot in a line
D.act as a stopper to transfer a line under strain
A.act as a chain stopper
B.prevent the windlass from engaging
C.prevent the chain from fouling on deck
D.control the wildcat
最新試題
Cribbing is（）.
Manila slings should not be used to load（）.
The square knot is used for（）.
The purpose of a devil’s claw is to（）.
After deploying the anchor，a permanent chain chaser is（）.
In moderate wind and current what should be the length of chain with a single anchor?（）
A whipping is（）.
If kinking results while wire rope is being coiled clockwise，you should（）.
A tackle by which the outer end of a boom is raised and lowered is the topping（）.
Galvanizing would be suitable for protecting wire rope which is used for（）.