A.water depth
B.keel
C.center of flotation
D.center of buoyancy
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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
A.increase the righting moment
B.cause an increase in the righting arm
C.bring the vessel to an upright equilibrium position
D.cause the vessel to flop to a greater angle
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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（）.
To ensure the ship’s general stability，（）.
The vertical distance between G and M is used as a measure of（）.
What will NOT decrease the stability of a vessel?（）
In astern towing，a tow span，also called the tow bar or towing arch，is used to（）.
Fighting a fire in the galley poses the additional threat of（）.
Initial stability of a vessel may be improved by（）.
If the cause of a sudden severe list is negative initial stability，counterflooding into empty tanks may（）.
During a stability test on a small passenger vessel（）.
To improve your vessel’s stability in a hazardous situation，you should（）.