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（）.
In astern towing，a tow span，also called the tow bar or towing arch，is used to（）.
The moment of a force is a measure of the（）.
Stability is determined principally by the location of the center of gravity and the（）.
During a stability test on a small passenger vessel（）.
Initial stability refers to stability（）.
The stability of a semisubmersible ship would be seriously reduced if flooding occurred in the（）.
The greatest effect on stability occurs from loose liquids flowing（）.
The time required to incline from port to starboard and back to port again is called（）.
If the cause of a sudden severe list is negative initial stability，counterflooding into empty tanks may（）.