A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in().
- Agenerators
- Boil drums
- Cthe bridge controls
- Dcombustible metal
A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in().
1、Which types of portable extinguisher s
Which types of portable extinguisher should you watch for the reflash of the fire?()Afoam and waterBCO2 and dry chemicalCdry chemical and waterDfoam and CO2
2、Portable foam type fire extinguishers
Portable foam type fire extinguishers are most effective on().Amattress firesBoil firesCwood firesDAll of the above
3、Foam-type portable fire extinguishers
Foam-type portable fire extinguishers are most useful in combating fires involving().Asolid materials such as wood or bales of fiberBflammable liquidsCelectrical equipmentDmetallic solid
4、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
5、Foam-type portable fire extinguishers
Foam-type portable fire extinguishers are more usefull in combating fires involving().Asolid materials such as wood or bales of fiberBinflammable liquidsCelectrical equipmentDmetallic solid
6、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