A、salt water
B、foam
C、low-velocity fog
D、CO2
更多“A fire in electrical equipment should be extinguished by using（）.”相关的问题
A、electrical fire in the engine room B、oil fire in the engine room bilges C、oil fire involving a grade "A" petroleum product D、mattress fire in a stateroom
A、Fires in electrical equipment B、Flammable oils and greases C、Class A fires in ordinary combustibles D、Materials containing their own oxygen
A、Fires in electrical equipment B、Flammable oils and greases C、Class "A" fires in ordinary combustibles D、Materials containing their own oxygen
A、secure the electric supply B、ventilate area to remove smoke C、start the fire pump and lead out hose D、apply foam
A、A.Whether the fire is in machinery or passenger spaces B、B.Danger of shock to personnel C、C.The amount of toxic fumes created by the extinguisher D、D.Maintaining electrical power
A、solid materials such as wood or bales of fiber B、flammable liquids C、a piece of electrical equipment D、combustible metallic solids
A、soild materials such as wood or bales of fiber B、flammable liquids C、a piece of electrical equipment D、combustible metallic solids
A、Conducts electricity B、Difficult to store C、Large volume necessary to be effective D、Ineffective in powdered metal fires
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