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1、17 秋学期电气安全在线作业2 试卷总分:100 得分:100 一、单选题1.电源中性点直接可靠接地时接地电阻不得大于_A.100 B.30 C.10 D.4 正确答案:D 2.可燃气体的点火能量与其爆炸极限范围的关系是A.点火能量越大，爆炸极限范围越窄B.点火能量越大，爆炸极限范围越宽C.爆炸极限范围不随点火能量变化D.爆炸极限范围与点火能量无确定关系正确答案:B 3.人身触电后，实施抢救的原则是切断电源（）。A.送医院；B.打强心针抢救C.就地抢救，准确实施触电急救法，坚持到底D.等医院来人抢救正确答案:C 4.中断供电将发生爆炸、火灾及严重中毒的负荷为()。A.一级负荷B.二级负荷C.三
2、级负荷D.一级负荷中特别重要的负荷正确答案:D 5.可燃性混合物的爆炸极限范围越宽，其爆炸危险性_。A.越大B.越小C.不变D.越无规律满分：5 分正确答案:A 6.电力负荷应根据对供电可靠性的要求及中断供电在政治、经济上所造成损失或影响的程度分为()级。A.一B.二C.三D.四满分：5 分正确答案:C 7.下列说法错误的是（）A.起电速率是单位时间内的起电量。B.人体电容是指人体的对地电容。C.电阻是指电压与电流的比值，是物体阻碍电流通过能力的一种表征。D.带电体是一个导体时，其所带电荷全部集中于物体表面，而且表面上各点的电位不会相等。满分：5 分正确答案:D 8.爆炸性气体环境的电气线路应
3、敷设在爆炸危险性较小或距离释放源较远的位置。当易燃物质比空气重时，电气线路应在（）；架空敷设时宜采用电缆桥架；电缆沟敷设时沟内应充砂，并宜设置排水设施。A.建筑物的内墙敷设B.较低处敷设C.电缆沟敷设D.较高处敷设或直接埋地文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V
4、1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9
5、O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U
6、3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R
7、9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9
8、D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX
9、8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3满分：5 分正确答案:D 9.不是组成管
10、型避雷器的元件是（）A.产气管B.无机玻璃C.内部电极D.外部电极满分：5 分正确答案:B 10.变配电站(室)内不应有与其无关的管道或线路通过。室内管道上（）。A.不宜设置法兰B.不宜设置阀门C.水汽管道与散热器的连接应采用螺纹接头D.水汽管道与散热器的连接应采用焊接满分：5 分正确答案:D 二、判断题 (共 10 道试题,共 50 分)1.摆脱电流是人触电后能自行摆脱带电体的最大电流。A.错误B.正确满分：5 分正确答案:B 2.接地装置的接地线及其附件和埋设在地中的接地体均涂漆A.错误B.正确满分：5 分正确答案:A 文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9
11、D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX
12、8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO
13、2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4
14、E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:
15、CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4
16、HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 Z
17、O4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F33.变压器绕组的极性是指变压器原、副绕组中的感应电动势之间的相位关系。A.错误B.正确满分：5 分正确答案:B 4.感应雷也称为雷电感应或感应过电压，它分为静电感应雷和电磁感应雷。A.错误B.正确满分：5 分正确答案:B 5.10kV及以下架空线路严禁跨越爆炸性气体环境，架空线路与爆炸性气体环境的水平距离，不应小于杆塔高度。A.错误
18、B.正确满分：5 分正确答案:A 6.一般情况下，触电事故的规律不会发生变化。A.错误B.正确满分：5 分正确答案:A 7.起电速率是单位时间内的起电量。人的操作速度或活动速度越大，起电速率就越小，人体起电电位就越低。A.错误B.正确满分：5 分正确答案:A 8.把低压电网的中性点或者其中的一相经击穿保险器接地，可以减轻高压窜入低压的危险。A.错误B.正确满分：5 分正确答案:B 文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U
19、7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7
20、F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q
21、10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V
22、1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9
23、O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U
24、3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R
25、9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F39.二级负荷的供电系统，宜由两回线路供电。A.错误B.正确满分：5 分正确答案:A 10.安全特低电压额定值的具体选用是根据使用环境、人员和使用方式等因素确定。A.错误B.正确满分：5 分正确答案:B 文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S
26、4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3
27、 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文
28、档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O
29、7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7
30、G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F
31、3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3文档编码:CX8U3Q10O7S4 HO2R9V1U7G3 ZO4E9D9O7F3