Removing which will extinguish a fire?

1、Removing which will extinguish a fire?

Removing which will extinguish a fire?（）.AnitrogenBCarbon dioxideCSodliumDOxyge

2、Which portable fire extinguisher shoul

Which portable fire extinguisher should be used on a class C fire on board a vessel?（）ACarbon dioxideBWater (stored pressure)CFoamDCarbon tetrachloride

3、Foam extinguishes a fire by（）.

Foam extinguishes a fire by（）.Asmothering the burning materialBchemical combination with burning materialCabsorbing the burning materialDorganic destruction of the burning material

4、Halon extinguishes a fire by（）.

Halon extinguishes a fire by（）.Abreaking the chain reactionBsmothering the fireCcooling the fireDcoating the fuel with a nonflammable surface

5、Foam extinguishes a fire by（）.

Foam extinguishes a fire by（）.Ashutting off the air supplyBcooling the fuel to below ignition temperatureCdispersing the fuelDremoving the source of ignitio

6、Which fire extinguishing agent can NOT

Which fire extinguishing agent can NOT be used on an ethylenediamine?（）AWater foamBDry chemical powderCWater fogDAlcohol foam