【单选题】
If ignited，which material would be a class B fire?（）
A、Magnesium
B、Paper
C、Wood
D、Diesel Oil
查看正确答案A、wooden planks B、rush mats C、steel bars D、wooden planks and rush mats
搜题
更多“If ignited，which material would be a class B fire?（）”相关的问题
第5题
A、It is lower than the ignition temperature B、It is the temperature at which a substance will spontaneously ignite C、It is the temperature at which a substance, when ignited, will continue to bum D、It is the temperature at which the released vapors will fall within the explosive range
第7题
A、A.I△=50mAT△=0.2s B、B.I△=75mAT△=0.2s C、C.I△=100mAT△=0.2s D、D.I△=200mAT△=0.15s E、E.I△=500mAT△=0.0s
第8题
A、no spark or flame is required to ignite gas or vapor B、a fuel begins to give off explosive vapors C、a fuel if ignited will continue to burn D、a 1% mixture of the fuel with air will explode
第9题
A、An increase in compression ratio will increase the ignition lag B、An increase in compression ratio will decrease the ignition lag C、A decrease in compression ratio will decrease the ignition lag D、A decrease in ignition lag will increase the compression ratio
