A.upward-acting weight force
B.downward-acting weight force
C.upward-acting buoyant force
D.environmental force
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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
A.removing loose water
B.adding weight low in the vessel
C.closing crossover valves between partly filled double bottom tanks
D.All of the above
A.insure that the hawser leads directly aft as it passes over the stern of the towing vessel
B.increase the stability of the towing vessel by raising the hawser off the deck
C.reduce chafing of the towing hawser
D.prevent fouling of the hawser on deck gear located on the stern of the towing vessel
最新試題
What will NOT decrease the stability of a vessel?（）
If the cause of a sudden severe list is negative initial stability，counterflooding into empty tanks may（）.
The vertical distance between G and M is used as a measure of（）.
To improve your vessel’s stability in a hazardous situation，you should（）.
Initial stability of a vessel may be improved by（）.
The angle of loll is a stability term which applies to a floating ship with（）.
The maximum angle at which the intact stability curves are valid for ship’s is the angle for（）.
Stability is determined principally by the location of two points in a vessel: the center of buoyancy and the（）.
Stability is determined by the relationship of the center of gravity and the（）.
Repair of vital machinery and services on a ship should be accomplished（）.