A.forming temporary eyes in lines
B.joining two lines of equal size
C.keeping line from unlaying or fraying
D.joining two lines of different size
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A.number of strands
B.number of wires in each strand
C.circumference
D.diameter
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
最新試題
Manila slings should not be used to load（）.
If kinking results while wire rope is being coiled clockwise，you should（）.
A splice that can be used in running rigging，where the line will pass through blocks，is a（）.
In moderate wind and current what should be the length of chain with a single anchor?（）
The square knot is used for（）.
Back-up wires on a towed vessel provide（）.
Compared to manila line，size for size，nylon line（）.
Extended cyclical variations in tensions will cause an anchor chain to break due to（）.
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（）.