An extinguishing agent which effectively cools,dilutes combustible vapors,removes oxygen,and provides a heat and smoke screen is().
- Acarbon dioxide
- BHalon 1301
- Cdry chemical
- Dwater fog
An extinguishing agent which effectively cools,dilutes combustible vapors,removes oxygen,and provides a heat and smoke screen is().
1、Which extinguishing agent is NOT recom
Which extinguishing agent is NOT recommended in the Chemical Data Guide for use on a cyclohexane fire?()AFoamBCarbon dioxideCDry chemicalDWater fog
2、As an extinguishing agent,foam().
As an extinguishing agent,foam().Aconducts electricityBshould be directed at the base of the fireCis most effective on burning gases which are flowingDextinguishes by cooling oil fires below ignition temperature
3、Which extinguishing agent is recommend
Which extinguishing agent is recommended in the Chemical Data Guide for use on a carbon disulfide fire?()AAlcohol foamBDry chemicalCChemical foamDWater fog
4、Any extinguishing agent used on a Clas
Any extinguishing agent used on a Class “C” fire must have which important property? ()ACooling abilityBLeaves no residueCPenetrating powerDNonconductivity
5、Which extinguishing agent is best for
Which extinguishing agent is best for use on a magnesium fire?()AWaterBSandCCO2DDry chemical
6、Which fire extinguishing agent can NOT
Which fire extinguishing agent can NOT be used on an ethylenediamine?()AWater foamBDry chemical powderCWater fogDAlcohol foam