【单选题】
两个和两个以上方位同时向燃烧区域进攻属何种战术方法？___
A. 分割
B. 围歼
C. 合击
D. 包围
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答案
C
解析
暂无解析
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根据易燃液体储运特点和火灾危险性的大小，易燃液体分为甲、乙、丙三类。乙类是指___。
A. 闪点＜28℃的液体
B. 28℃≤闪点＜60℃的液体
C. 闪点≥60℃的液体
D. 闪点≥40℃的液体
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消防控制室应设在建筑物的___消防控制室门的上方应设标志牌或标志灯，消防控制室的门应有一定的耐火能力(即为甲级防火门)，并应向疏散方向开启，应有安全出口。
A. 地下二层
B. 首层
C. 第二层
D. 最顶层
【单选题】
液化石油气与空气混合后，形成爆炸性气体珠爆炸极限范围是___。
A. 1.5%～10%
B. 2.5%～10%
C. 3.5%～10%
D. 4.5%～10%
【单选题】
爆炸品系指在外界作用下（如受热、撞击等），能发生剧烈的化学反应，瞬时产生大量气体和___，导致周围压力急剧上升，发生爆炸，从而对周围环境造成破坏的物品。
A. 烟雾
B. 热量
C. 火花
D. 粉尘
【单选题】
在管径和压力相同的情况下，环状管道流量是枝状管道的___倍，每辆消防车的取水量按（D）估算。
A. 1.5-2，6.5L/S
B. 2-3，13L/S
C. 1.5-2，15L/S
D. 1.5-2，13L/S
【多选题】
强风情况下火灾扑救应注意的主要问题是___。
A. 加强第一出动力量，并组织好预备力量以待增援
B. 各方参战力量，必须服从统一指挥，搞好协同作战
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【多选题】
二氧化碳灭火作用的局限___。
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B. 不宜扑救活泼金属及其氢化物火灾
C. 不宜扑救能自燃分解的化学物品火灾
D. 不宜扑救内部阴燃的纤维物火灾
【多选题】
下列关于灾害事故现场警戒说法正确的是___。
A. 警戒区域应根据灾害事故类型科学合理划定
B. 警戒区域严禁无关人员车辆进入
C. 进入易燃、易爆警戒区域，禁止使用非防爆通信、侦检、破拆、堵漏等器材
D. 建筑倒塌事故现场警戒区域，禁止群众进入现场翻找和搬运物品
【多选题】
灭火总指挥员全权负责整个灭火救援工作的组织指挥，应履行___等职责。
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B. 决定使用各种水源
C. 制定总体作战方案
D. 审核新闻发布内容
【多选题】
下列说法正确的是___。
A. 进入易燃、易爆区域应当着防静电内外衣、裤子、袜子和手套
B. 进入有毒、缺氧区域时，必须佩戴空（氧）气呼吸器，着相应的防护服装
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D. 进入有核放射危险的区域时，必须着防化服装
【多选题】
车辆到达灾害事故现场时，停车位置应该符合___。
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【多选题】
火场供水过程中，下列说法正确的是___。
A. 驾驶员应及时掌握前方供水需求，与水枪手保持联系
B. 供水时，不得突然加压、减压
C. 垂直铺设水带时，必须使用水带挂钩、绳索、水带接口加固件等进行固定
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【多选题】
在火场排烟过程中，下列说法正确的是___。
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【多选题】
___物质发生火灾不能用水（直流水）扑救。
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C. 不能用直流水扑救可燃粉尘（面粉、铝粉、糖粉、煤粉等）沉积处的火灾
D. 不能用直流水扑救带电高压电气设备、电气线路的火灾
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危险化学品仓库发生火灾时，火情侦察的主要内容是___。
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扑救高层建筑火灾时，灭火救援难度大的主要表现是___。
A. 浓烟、毒气等燃烧产物易造成被困人员窒息中毒
B. 外部温度高、烟气浓、能见度低，灭火救援人员能够深入内部
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扑救地下商场火灾，前沿指挥所的主要任务是___。
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