單項選擇題

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

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單項選擇題

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

單項選擇題

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

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The stability of a vessel is normally the greatest when all fuel and water tanks are full because the （）.

你可能感興趣的試題

Which of the following statements is true concerning Halon 1301 fire extinguishing equipment?（）

In order to find out which lifeboat you are assigned, you should look at the （）.