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[单选题]某轮在某装载状态下的某处水尺标志如图所示,则该处吃水为()。
A. A.6.80m
B. B.6.90m
C. C.6.95m
D. D.7.00m
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学习资料:
[单选题]船舶纵倾前后,重力和浮力(),浮心位置()。
A. A.大小相等;不变
B. B.大小不等;不变
C. C.大小相等;改变
D. D.大小不等;改变
[单选题]某轮在某装载状态下的一处水线位于水尺标志“④~⑤”字体间距的一半处,则该处的吃水为()。
A. A.4ft3in
B. B.4ft9in
C. C.5ft
D. D.5ft3in
[单选题]船舶的漂心F是指()。
A. A.船舶排水体积的形心
B. B.船舶水线面面积的几何中心
C. C.船舶所受重力的作用中心
D. D.船舶倾斜前后两条浮力作用线的交点
[单选题]A neutral equilibrium position for a vessel means that the metacenter is().
A. lower than the keel
B. at the same height as the center of gravity
C. exactly at midships
D. at the center of the waterplane area
[单选题]The ship has()of more than 10 meters at full load.
A. an engine
B. an overall length
C. a displacement
D. a draft
[单选题]The waterplane area is described as the intersection of the surface of the water in which a vessel floats and the().
A. baseline
B. vertical reference plane
C. hull
D. horizontal reference plane
[单选题]When a vessel is inclined by an external force,the().
A. shape of the vessel's underwater hull remains the same
B. vessel's center of gravity shifts to the center of the vessel's underwater hull
C. vessel's center of buoyancy shifts to the center of the vessel's underwater hull
D. vessel's mean draft increase
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