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石化消防知识问答(二) | 2011-11-7 9:56:00

石化消防知识问答(二)

21. 什么叫可燃粉尘?
答:凡是遇到火源能发生燃烧和爆炸的颗粒微小的固体物质都叫可燃粉尘。 
 22.1986年3月15日,黑龙江省哈尔滨亚麻厂发生特大爆炸火灾事故,有177人受伤,58人死亡,损失折款650万余元。问爆炸原因?
答:是粉尘爆炸。 
 23. 举出三种以上在生产中常用的爆炸物品。
答:梯恩梯;硝化甘油;硝铵炸药;黑色火药;苦味酸。 
 24. 什么叫可燃气体?
答:凡在常温下呈气体状态的可燃物均称可燃气体。如氢、一氧化碳、甲烷、丙烷、乙烯等。 
 25. 人们都知道氧气属助燃气体,请再说一种?
答:氯、氧化氮。 
 26. 为什么空气重的可燃气体的火灾危险性大? 
答:因为比空气重可燃气体在空间下浮,不易挥发,并且易和空气形成爆炸混合物,再加上接触地面火源的机会多,很容易燃烧或爆炸,所以火灾危险性大。 
 27. 常见的易燃液体有哪些?举出五例。经常遇到的可燃气体有哪些?举出五例。
答:常见的易燃液体有汽油、苯、乙醚、甲醇、乙醇等。常遇到的可燃气体有氢、一氧化碳、甲烷、丙烷、乙烯等。 
 28. 为什么白酒着火?并说出酒的度数与火灾危险的关系。
答:因白酒中含有乙醇。酒的度数越高,闪点越低,火灾危险性越大。 
 29. 火灾可分为A、B、C、D四类,A、B、C、D分别指的是什么? 答:A指可燃固体;B为可燃液体; C为可燃气体;D为轻金属。 
 30. 为什么家用冰箱不适宜存放易燃液体?
答:因易燃液体蒸发的可燃气体达到一定爆炸浓度时,遇冰箱内继电器打火会发生爆炸起火。 
 31. 柴灶、煤灶与液化石油气灶能在同一房内使用吗?
答:不允许放在一个房间内同时使用。这是因为一旦液化石油气灶漏气遇明火就会造成火灾。

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Re:在漫画中识别身边的违章 | 2017-2-18 19:10:54
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Re:在漫画中识别身边的违章 | 2016-10-23 15:21:45
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Re:在漫画中识别身边的违章 | 2016-10-22 19:19:39
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Re:在漫画中识别身边的违章 | 2016-10-21 13:59:31
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Re:在漫画中识别身边的违章 | 2016-10-20 12:15:34
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Re:在漫画中识别身边的违章 | 2016-10-17 0:25:09
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Re:在漫画中识别身边的违章 | 2016-10-11 8:02:00
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原创 | 2016-9-30 11:17:39
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原创 | 2016-9-28 16:40:58
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原创 | 2016-9-6 17:05:47
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