A.short splice
B.long splice
C.back splice
D.spindle splice
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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
A.hoisting a windsail
B.parcelling
C.sewing canvas
D.testing canvas
最新試題
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（）.
After deploying the anchor，a permanent chain chaser is（）.
At the instant when a string of casing being run from a ship is landed in the well head,（）.
Chafing gear is normally used（）.
The signal man assisting a crane operator has his arm extended with his fingers closed and thumb pointing upward. This is the signal to（）.
Herringbone is a term associated with（）.
In moderate wind and current what should be the length of chain with a single anchor?（）
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（）.
Cribbing is（）.