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

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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

單項選擇題

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