单项选择题

The stability of a semisubmersible ship would be seriously reduced if flooding occurred in the（）.

A.submerged hulls
B.column void spaces
C.dry mud tanks
D.ballast tanks

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单项选择题
The moment of a force is a measure of the（）.

A.turning effect of the force about a point
B.instantaneous value of the force
C.stability characteristics of the vessel
D.center of gravity location
单项选择题
The maximum angle at which the intact stability curves are valid for ship’s is the angle for（）.

A.the limit of positive stability
B.the limit of small-angle stability
C.maximum offset
D.downflooding
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