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【单选题】

Reducing free surfaces has the effect of lowering the（）.

A、uncorrected KG

B、virtual height of the center of gravity

C、metacenter

D、metacentric height

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更多“Reducing free surfaces has the effect of lowering the（）.”相关的问题
第1题
[单选题] Reducing the liquid free surfaces in a vessel reduces the（）.

A、roll period  B、metacentric height  C、waterplane area  D、vessel's draft  

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第2题
[] Many vessels are provided with flume tanks，which also have a dump tank located under the flume tanks. In the event the ship is damaged，you could dump the flume tanks into the dump tank which would（）.

A、A.reduce the free surface effect and raise the KG  B、B.not have any effect on free surface and raise the KG  C、C.reduce the free surface effect and lower the KG  D、D.not have any effect on free surface and lower the KG  

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第3题
[单选题] The correction to KG for longitudinal free surface effects for a vessel can be found by dividing the vessel’s displacement into the（）.

A、transverse free surface correction for the vessel  B、sum of the vertical moments of the vessel  C、sum of the longitudinal free surface moments of the vessel  D、longitudinal centerline of the vessel  

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第4题
[单选题] When liquid is free to move transversely in a tank，the effect is called（）.

A、free communication  B、free density  C、free surface  D、negative GM  

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第5题
[单选题] When liquid is free to move transversely in a tank, the effect is called（）.

A、Free communication  B、Free fensity  C、Free surface  D、Negative GM  

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第6题
[单选题] A wooden plug fitted tightly in the vent of a damaged tank may prevent the tank from（）.

A、filling completely  B、developing free surface  C、developing free surface moment  D、collapsing  

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第7题
[单选题] To calculate the free surface correction，it is necessary to divide the free-surface moments by the（）.

A、total weight of liquid loads  B、total displacement  C、lightweight  D、deadweight  

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第8题
[单选题] A wooden plug fitted tightly in the vent of a damaged tank may prevent the tank from（）.

A、filling completely  B、developing free surface  C、developing free surface moment  D、collapsing  

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第9题
[单选题] The effects of free surface on initial stability depend upon the dimensions of the surface of the free liquids and the（）.

A、volume of liquid in the tank  B、volume of displacement of the vessel  C、location of the tank in the vessel  D、height of the center of gravity of the vessel  

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