【判断题】
[214]预防硫化氢中毒的滤毒罐有两种类型,滤毒罐编号为4和4L,4L号标色为灰色+白道,4号标色为灰色。
A. 对
B. 错
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[215]装置中有明火的设备,应布置在远离可能泄漏易燃气体或蒸汽的工艺设备的贮罐区,并应布置在散发易燃物料设备的侧风向或上风向。
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[224]有毒环境中氧气占总体积 18%以下,有毒气体浓度超过2%以上,则不能使用过滤式防毒面具。
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