单项选择题
Manila lines in which the strands are right-hand laid（）.
A.should be coiled in a clockwise direction
B.should be coiled in a counterclockwise direction
C.may be coiled either clockwise or counterclockwise
D.should never be coiled
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单项选择题
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.composite
B.left-lay
C.improved
D.preformed -
单项选择题
In a twin screw ship going half-ahead，both screws turning outboard and the rudder amidships，no current or wind，the vessel will（）.
A.Move bodily to port
B.Move bodily to starboard
C.Move in a zig-zag motion
D.Steer a fairly straight course -
单项选择题
In a married falls rig at the after end of a hatch，a boom is rigged in a fore and aft line through its heel.Stresses on the outboard guy will be LEAST if the guy is made fast at a point（）.
A.Abreast the heel
B.At right angles to the boom when viewed from above
C.Aft of the heel
D.Forward of the spiderband
