单项选择题
Stability is determined principally by the location of the center of gravity and the（）.
A.aft perpendicular
B.center of buoyancy
C.keel
D.center of flotation
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相关考题
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单项选择题
Stability is determined principally by the location of the point of application of two forces: the downward-acting gravity force and the（）.
A.upward-acting weight force
B.downward-acting weight force
C.upward-acting buoyant force
D.environmental force -
单项选择题
Stability is determined by the relationship of the center of gravity and the（）.
A.water depth
B.keel
C.center of flotation
D.center of buoyancy -
单项选择题
Repair of vital machinery and services on a ship should be accomplished（）.
A.after control of fire，flooding，and structural repairs
B.immediately
C.after control of fire，but before control of flooding
D.after stability is restored
