2.基础知识100个知识点_在线真题试卷与模拟练习_2.基础知识100个知识点_考试宝

更新时间：试题数量：购买人数：提供作者：

有效期：个月

章节介绍：共有个章节

收藏

我的练习

我的错题
(0道)

我的收藏
(0道)

我的斩题
(0道)

我的笔记
(0道)

专项练习

顺序练习 0 / 0

随机练习 自定义设置练习量

题型乱序 按导入顺序练习

模拟考试 仿真模拟

题型练习 按题型分类练习

易错题 精选高频易错题

学习资料 考试学习相关信息

搜索

题库预览

避难走道的净宽度不应小于任一防火分区通向该避难走道的设计疏散总净宽度。

避难走道内部装修材料的燃烧性能应为____级。

防火分区至避难走道入口处应设置防烟前室，前室的使用面积不应小于____㎡，开向前室的门应采用____防火门，前室开向避难走道的门应采用____防火门。

避难走道内应设置____、____、____和____。

分隔后的不同区域通向下沉式广场等室外开敞空间的开口最近边缘之间的水平距离不应小于____m。室外开敞空间除用于人员疏散外不得用于其他商业或可能导致火灾蔓延的用途，其中用于疏散的净面积不应小于____㎡。

下沉式广场等室外开敞空间内应设置不少于____部直通地面的疏散楼梯。当连接下沉广场的防火分区需利用下沉广场进行疏散时，疏散楼梯的总净宽度不应小于任一防火分区通向室外开敞空间的设计疏散总净宽度。

确需设置防风雨篷时，防风雨篷不应完全封闭，四周开口部位应均匀布置，开口的面积不应小于该空间地面面积的____%，开口高度不应小于____m；开口设置百叶时，百叶的有效排烟面积可按百叶通风口面积的____%计算。

疏散楼梯（间）分为____、____、____和____四种形式。

____：与走廊或大厅都敞开在建筑内的楼梯，又称普通楼梯间。

____：在楼梯间入口处设置门，以防止火灾的烟气和热气进入的楼梯间

____：在楼梯间入口处设置防烟的前室、开敞式阳台或凹廊（统称前室）等设施，且通向前室和楼梯间的门均为防火门，以防止火灾的烟气和热气进入的楼梯间。

____：在建筑的外墙上设置的全部敞开的楼梯

电路的基本组成部分是____、____和连接电源与负载的____。

电气图中的符号主要包括____、____和____等。（含图）

电力负荷分为____、____和____。

____：用电情况符合下列情况之一时，应视为一级负荷：中断供电将造成人身伤害；中断供电将在经济上造成重大损失；中断供电将影响重要用电单位的正常工作。

一级负荷供电系统应由两个电源供电，当一个电源发生故障时，另一个电源不应同时受到破坏。在一级负荷中，对于当中断供电将造成人员伤亡或重大设备损坏或发生中毒、爆炸和火灾等情况的负荷，以及特别重要场所中不允许中断供电的负荷，除由两个电源供电外，还应增设应急电源，并严禁将其他负荷接入应急供电系统。一级负荷适用场所：____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、____、__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