A.hoisting a windsail
B.parcelling
C.sewing canvas
D.testing canvas
您可能感興趣的試卷
你可能感興趣的試題
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
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
最新試題
A tackle by which the outer end of a boom is raised and lowered is the topping（）.
The main function of the core of a wire rope is to（）.
Neglecting friction，you desire to lift a 300 kgs weight with a stress on the hauling part of 100 kgs.Which of the following tackles would you use?（）.
The rope which is the lightest is（）.
The standing part of a tackle is（）.
The strongest method of forming an eye in wire rope is using（）.
Back-up wires on a towed vessel provide（）.
Chafing gear is used to（）.
The size of wire rope is determined by the（）.
Extended cyclical variations in tensions will cause an anchor chain to break due to（）.