单项选择题

When checking the liquid level in a tank, you should position yourself （）.

A.on the windward side of the opening
B.on the leeward side of the opening
C.at a right angle to the wind direction
D.so that the obstruction of your body will protect you from the fumes

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

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C.Halon primarily extinguishes the fire by cooling
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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
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