A.metacenter
B.geometric center of the waterplane area
C.center of gravity
D.center of flotation
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A.aft perpendicular
B.center of buoyancy
C.keel
D.center of flotation
A.upward-acting weight force
B.downward-acting weight force
C.upward-acting buoyant force
D.environmental force
A.water depth
B.keel
C.center of flotation
D.center of buoyancy
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
A.at small angles of inclination
B.when loaded with minimum deck load
C.when at transit draft
D.when GZ is zero
最新試題
Stability is determined principally by the location of the center of gravity and the（）.
The moment of a force is a measure of the（）.
The effect of free surface on initial stability depends upon（）.
Repair of vital machinery and services on a ship should be accomplished（）.
What will NOT decrease the stability of a vessel?（）
To improve your vessel’s stability in a hazardous situation，you should（）.
Initial stability refers to stability（）.
When a vessel has positive stability，the distance between the line of force through B and the line of force through G is called the（）.
The important initial stability parameter，GM，is the（）.
What is the principal danger from the liquid in a half full tank onboard a vessel?（）