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
The davit aboard a ship is used to（）.
It is permissible to place an eye splice in wire rope used as cargo gear providing the splice is made using（）.
A serving mallet is used in（）.
A small light tackle with blocks of steel or wood that is used for miscellaneous small jobs is called a（）.
If a davit-launched life raft aboard a vessel cannot be launched because of damage to the davit，you should（）.
The helicopter deck of a ship must be marked with the units identification，appropriate aiming circles，and a continuous line on the perimeter which is（）.
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（）.
In order to retrieve an inflatable life raft and place it on deck，you should heave on the（）.
The equipment required to remove an on-deck oil spill on a barge transfering oil must either be arried on board or（）.