A. selected B. collected C. detected D. effected
A line led forward from the bow B. A line led aft from the bow C. A line led in the same direction as the keel D. A line led at a right angle to the keel
A. Single whip B. Gun tackle C. Luff tackle D. Twofold purchase
A. Using a medium graphite grease as a lubricant B. Operating a winch too slow C. Using a sheave with an undersized throat D. A sheave diameter of 24 times the wire's diameter
A. Locked up B. Readily accessible for use C. Inaccessible to passengers D. On the topmost deck of the vessel at all time
A. reduce the water pressure on the hull B. reduce the water leaking around the plugs C. prevent progressive flooding D. reduce the possibility of stress fracture
A. act of God B. lock-out C. strike D. paint fire
A. any wire running fore-and-aft on a ship B. any wire with a fiber core C. a heavy wire extending from the trunk of the mast to the head of the boom D. a heavy wire extending from the mast，atwartships to the deck，to support the mast
A. one barrel B. two barrels C. five barrels D. ten barrel
A. deck loads from above B. dynamic forces while afloat C. hydrostatic pressure D. over-pressurizatio
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