单项选择题
The stability of a vessel is normally the greatest when all fuel and water tanks are full because the （）.
A.center of gravity is lowered
B.center of buoyancy is lowered
C.reserve buoyancy is unchanged
D.hull freeboard is increased
点击查看答案&解析
相关考题
-
单项选择题
Which of the following statements is true concerning Halon 1301 fire extinguishing equipment?（）
A.The agent is considered nontoxic at room temperature in low concentrations
B.The agent is less effective than carbon dioxide
C.Halon primarily extinguishes the fire by cooling
D.The agent cannot be used on electrical fires because it leaves a residue -
单项选择题
In order to find out which lifeboat you are assigned, you should look at the （）.
A.Certificate of Inspection
B.Station Bill
C.Ships Articles
D.Fire Control Plan -
单项选择题
You may improve a vessels stability by （）.
A.keeping the fuel tanks topped off
B.increasing the free surface effect
C.keeping the fuel tanks at least half MI
D.keeping at least one fuel tank empty for slops
