单项选择题

A J-chaser is used to（）.

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

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单项选择题

A fid is a（）.

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

单项选择题

A common class of wire rope is the 6X37 class. What does the 37 represent?（）

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

单项选择题

A Chinese stopper (two lines) will hold best when you（）.

A.fasten the bitter ends to the mooring line with half hitches
B.twist the ends together and hold them in the direction of the pull
C.twist the ends together and hold them in the direction opposite to the pull
D.twist the ends together and hold them at right angles to the mooring line