【多选题】
消防头盔用于保护头部、颈部免受___伤害。
A. 坠落物冲击穿透
B. 热辐射
C. 电击
D. 火焰
E. 侧向挤压
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答案
ABCDE
解析
暂无解析
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扑救油罐火灾的注意事项有___。
A. 参战人员应配有防高温等防护装备
B. 正确选择停车位置
C. 注意观察火场情况,及时发现沸溢、喷溅征兆
D. 充分冷却,防止复燃
E. 浮顶罐密封圈围堰部位燃烧应立即启动固定泡沫灭火装置或组织泡沫管枪强攻灭火
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大型商场的火灾特点主要是___。
A. 火势猛烈,蔓延迅速
B. 烟雾浓毒性大,易造成人员伤亡
C. 扑救火灾难度大
D. 通道狭窄,战斗展开难
E. 可燃物质多,易发生轰燃
【多选题】
大型商场发生火灾时,火势猛烈、蔓延迅速的主要原因有___。
A. 烟火沿柜台、货架、立体堆垛的货物和吊顶向水平方向蔓延迅速
B. 多数新建大型商场设有大面积立体共享空间,火灾中“烟囱”效应强
C. 火势还可沿楼梯间、内装修或堆积的可燃商品,以及沿外墙窗口向上蔓延
D. 在大风的作用下容易向毗邻的建筑蔓延,出现跳跃性发生
【多选题】
露天堆垛仓库基本特点有___。
A. 多数存放棉、麻、木材等可燃物资
B. 可燃物集中,周围环境空旷
C. 周围交通道路等级低,缺少消防水源
D. 占地面积大,管理人员少,危险隐患多
【多选题】
扑救有毒区域火灾的战斗行动要求有___。
A. 消防车要从上风方向进入有毒火灾区域
B. 在风力不大的情况下,不宜使用四面围堵战术
C. 加强协同作战,积极疏散物资
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处置道路交通事故的行动要求是___。
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C. 破拆车体时应注意水枪掩护防止引发油蒸汽爆炸燃烧
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E. 处理完毕尽快解除警戒恢复交通
【判断题】
灭火战斗行动是指消防人员从受理火警至灭火战斗结束整个过程的活动。由接警出动、火情侦察、火场警戒、战斗展开、火场供水、火灾扑救、火场救人、疏散与保护物资、火场破拆、火场排烟、火场摄像、战斗结束等主要环节组成。
A. 对
B. 错
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