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單項選擇題

A fire in an electrical generator is considered to be （）.

A.Class "A"
B.Class "B"
C.Class "C"
D.Class "D"

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單項選擇題

A fire may be spread by which of the following means?（）

A.Conduction of heat to adjacent surfaces
B.Direct radiation
C.Convection
D.All of the above

單項選擇題

If emergency welding repairs must be made to the upper area of a fuel tank, the tank and/or adjacent compartments may need to be （）

A.gas freed
B.inerted
C.filled with water
D.all of the above as necessary

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