A.is used in running rigging
B.doubles the size of the line
C.is only used on fiber rope
D.is very weak
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A.longshore hook
B.margin hook
C.marginal hook
D.pelican hook
A.be a stopper
B.shorten a line
C.join lines of equal size
D.keep a line from passing through a sheave
A.rot
B.shrink
C.stretch
D.unlay
A.deck fitting used to secure mooring lines
B.casting fitted at the side of a weather deck，used as a fairlead
C.sharp block of wood used to support hygroscopic cargo
D.smoke pipe for the galley stove
A.strengthen the line
B.increase its efficiency
C.prevent hand injury by covering loose ends
D.make the line more flexible
最新試題
A serving mallet is used in（）.
An effective braking system for windlasses on rigs in deep water is a(n)（）.
If you were to pass a stopper on a wire rope，what should the stopper be made of?（）
A wooden plug fitted tightly in the vent of a damaged tank may prevent the tank from（）.
Immersion suits must be stowed（）.
A single heavy wire made up for the topping lift is called a（）.
If the winch should fail while you are hauling in the anchor，what prevents the anchor cable from running out?（）
In the manufacture of wire rope，if the wires are shaped to conform to the curvature of the finished rope before they are laid up，the rope is called（）.
A tackle is two blocked when the blocks are（）.
A stay is（）.