單項(xiàng)選擇題

Shipping society approved buoyant work vests are considered to be items of safety equipment and may be worn by members of the crew（）.

A.in lieu of life preservers during fire drills
B.in lieu of life preservers during boat drills
C.in lieu of life preservers during an actual emergency
D.when carrying out duties near a weather deck's edge

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單項(xiàng)選擇題

Removing which will extinguish a fire?（）.

A.Nitrogen
B.Carbon dioxide
C.Sodium
D.Oxygen

單項(xiàng)選擇題

Regular foam can be used on all but which flammable liquid?（）

A.Motor gasoline
B.Jet fuel
C.Crude petroleum
D.Alcohol

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Shipping society approved buoyant work vests are considered to be items of safety equipment and may be worn by members of the crew（）.

你可能感興趣的試題

Removing which will extinguish a fire?（）.

Regular foam can be used on all but which flammable liquid?（）

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