问题

Which extinguishing agent is best for

Which extinguishing agent is best for use on a magnesium fire?（）

AWater
BSand
CCO2
DDry chemical

参考答案

参考解析：

分类：应急预案与EMS题库

Which extinguishing agent is NOT recommended in the Chemical Data Guide for use on a cyclohexane fire?（）AFoamBCarbon dioxideCDry chemicalDWater fog

2、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

3、What is the best instrument for establ

What is the best instrument for establishing a safe working area before welding in a confined space? （）AAn oxygen indicatorBA combustible gas indicatorCA combination combustible gas and oxygen indicatorDA flame safety lam

4、30． Which is the best title for the pa

30． Which is the best title for the passage?A The Desert ProblemB People Make DesertsC Green Plants and GrassD The Desert，the Tree and the Water

5、Which fire extinguishing agent can NOT

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

6、A large oil fire is best extinguished

A large oil fire is best extinguished with（）Asoda acidBfoamCCO2Dsand

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