A.comes directly over the bow
B.comes directly over the stern
C.comes over an area extending from broad on the bow to the quarter
D.has no effect on the vessel
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A.when anchoring in the Mediterranean
B.when docking stern to a berth
C.when docking bow to a berth
D.when anchoring in a strong current
A.loss of maneuverability
B.lines to part
C.damage to the towing vessel and tow
D.a saving in the transit time
A.small plate which fills the aperture between riveted strakes and the vessel framing
B.backing plate which is used to level the strakes while riveting，and then removed
C.internal frame to which the side shell is riveted
D.seam that is welded after riveting is completed
A.matching pulse rates of at least 20 stations
B.an automatic on-and-off switch
C.a horizontal matching of all delayed hyperbolic signals
D.automatic signal acquisition and cycle matching
A.be a stopper
B.shorten a line
C.join lines of equal size
D.keep a line from passing through a sheave
最新試題
A common class of wire rope used for mooring is the 6x19 class. What does the 6 represent?（）
A “fifteen-pound” CO2 extinguisher is so called because（）.
A change of a documented vessel’s name can only be made by the（）.
A chart projection depicting the poles and a small area on either side of a connecting meridian，that is sometimes used for star charts，is the（）.
A ballasted vessel sinks enroute to a dry dock. Under these circumstances，the vessel’s owner can claim（）.
A chain bridle is preferable to a wire rope towing bridle on a long ocean tow because chain（）.
A “figure eight” knot is used to（）.
A continual worsening of the list or trim of any floating ship indicates（）.
A “full service” Loran-C receiver will provide（）.
A “reaching” course is one in which the wind（）.