A.riding pawl
B.buckler
C.devil's claw
D.locking ring
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A.short splice
B.long splice
C.back splice
D.spindle splice
A.boat fall
B.fairlead
C.riding pawl
D.topping lift
A.block used only with manila rope
B.chock roller
C.hinged block
D.strong block used for short，sharp pulls
A.batten
B.bench hook
C.awl
D.fid
A.decreases the size of the line
B.should be used if the line is going through a block
C.should only be used in wire rope
D.doubles the size of the line
最新試題
Extended cyclical variations in tensions will cause an anchor chain to break due to（）.
The rolling hitch could be used to（）.
An anchor winch should be equipped with mechanical brakes capable of holding（）.
The standing part of a tackle is（）.
A tackle by which the outer end of a boom is raised and lowered is the topping（）.
Back-up wires on a towed vessel provide（）.
Compared to manila line，size for size，nylon line（）.
The purpose of a devil’s claw is to（）.
Manila slings should not be used to load（）.
A whipping on a fiber line（）.