【单选题】
Never extinguish oil and electrical fires with （）.
A、water
B、foam extinguisher
C、CO2 extinguisher
D、portable extinguisher
查看正确答案A、Do B、Did C、Never D、Isn’t
搜题
更多“Never extinguish oil and electrical fires with （）.”相关的问题
第2题
A、air from contacting the oil vapors B、permitting re-ignition boiling of the heated oil C、spontaneous combustion below the oil surface D、toxic fumes from escaping to the surface
第3题
A、A.By cooling the oil below the ignition temperature B、B.By removing the fuel source from the fire C、C.By excluding the oxygen from the fire D、D.By increasing the weight of the oil
第4题
A、A.By cooling the oil below the ignition temperature B、B.By removing the fuel source from the fire C、C.By excluding the oxygen from the fire D、D.By increasing the weight of the oil
第5题
A、harder it is to extinguish B、easier it is to extinguish C、less chance there is of re-ignition D、easier it is to control
第6题
A、couducts electricity B、should be directed at the base of the fire C、is most effective on burning gases which are flowing D、extinguishes by cooling oil fires blow ignition temperature
第7题
A、A.conducts electricity B、B.should be directed at the base of the fire C、C.is most effective on burning gases which are flowing D、D.extinguishes by cooling oil fires below ignition temperature
