A neutral equilibrium position for a vessel means that the m

【名词&注释】

排水量(displacement)

[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

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学习资料：

[单选题]船舶由水密度ρ=1.010g/cm3的水域驶入标准海水水域，吃水约减小（）。

A. A．1.5%
B. B．3.0%
C. C．4.5%
D. D．6.0%

[单选题]当（）时，船舶首尾平均吃水小于等容吃水。

A. A．尾倾且漂心在船中后
B. B．尾倾且漂心在船中前
C. C．首倾且漂心在船中前
D. D．A或C

[单选题]海水密度的增加（）。

A. A．将减小船舶的排水量
B. B．将增加船舶的排水量
C. C．不影响排水量
D. D．对排水量的影响不能确定

[单选题]For a floating vessel，the center of flotation is the point in the waterplane（）.

A. about which the vessel lists and trims
B. which coincides with the center of buoyancy
C. which，in the absence of external forces，is always vertically aligned with the center of gravity
D. which is shown in the hydrostatic tables as VCB

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