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
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A.hoisting a windsail
B.parcelling
C.sewing canvas
D.testing canvas
A.make a temporary eye
B.mouse a hook
C.secure a line around a spar
D.shorten a line
A.transfer a pennant wire to the anchor handling vessel
B.clean chain as it is hauled into the rig
C.lower spring buoys into the water
D.retrieve an anchor after the buoy has been lost
A.mallet used when splicing wire rope
B.sharp pointed crow bar used to unlay wire rope
C.tapered steel pin used to separate wire rope
D.tapered wooden pin used when splicing heavy rope
A.Number of wires in the inner core
B.Number of strands per wire rope
C.Tensile strength of the wire
D.Number of wires per strand
最新試題
After deploying the anchor，a permanent chain chaser is（）.
Back-up wires on a towed vessel provide（）.
The rope which is rove from the truck to be used with a bos’n chair is called a（）.
Manila lines in which the strands are right-hand laid（）.
Extended cyclical variations in tensions will cause an anchor chain to break due to（）.
If kinking results while wire rope is being coiled clockwise，you should（）.
The signal man assisting a crane operator has his arm extended with his fingers closed and thumb pointing upward. This is the signal to（）.
Manila slings should not be used to load（）.
The rope which is the lightest is（）.
The size of wire rope is determined by the（）.