2022年北京电气工程师：导体选择考试试题.pdf

2017 年北京电气工程师：导体选择考试试题一、单项选择题（共25 题，每题2 分，每题的备选项中，只有1 个事最符合题意）1、低压配电系统的接地型式第一字母代号含义是_。A表示用电装置外露的可导电部分对地关系B表示电力电源系统对地关系C表示工作零线与保护线的组合D表示工作零线与保护线的组合对地关系2、国务院和地方各级人民政府应当加强对节能工作的领导，_部署、协调、监督、检查、推动节能工作。A三年B二年C四年D每年3、二类防雷建筑引下线不应少于两根，并应沿建筑物均匀或对称布置，其间距不应大于 _。A12mB15mC18mD20m4、电子计算机供电电源的电能质量分为_。A一级B二级C三级D四级5、设 A，B 是 n 阶短阵，且 B0，满足 AB=0，则以下选项中错误的是（）。Ar(A)+r(B)≤nB|A|=0 或|B|=0C0≤r(A)nDA=06、用熔断器保护配电线路时，熔断器_装设在不接地的各相或各极上。A严禁B不宜C应D宜7、计算负荷是一个假想的持续性负荷，其热效应与同一时间内实际变动负荷所产生的最大热效应相等。在配电设计中，通常采用 _的最大平均负荷作为按发热条件选择电器或导体的依据。A15minB20minC30minD60min8、若函数 f（x）在点 X0 间断，g（x）在点 X0 连续，则 f（x）g（x）存点 X0：（）A间断B连续C第一类间断D可能间断可能连续9、已知某双回线的线路长80km，对地等值阻抗电纳2.8010-6/km，则该双回线的等值电纳为 _S。A(A)2.2410-4B(B)1.2210-4C(C)2.4410-4D(D)4.4810-410、关于更换变压器的回收年限，一般考虑当计算的回收年限小于5 年时，变压器_更新为宜。A应B应立即C不应D不可11、各级低压配电屏或低压配电箱，应根据发展的可能性留有_。A适当的备用回路B适当的备用容量C适当的宽度D适当的高度12、（）A.110KVB.104.5KVC.114.8KVD.121KV13、电焊机的设备功率是将额定功率换算到负载持续率为_时的有功功率。A90%B75%C100%D25%14、同步发电机带三相对称负载稳定运行时，转子励磁绕组中_。A(A)感应低频电动势B(B)感应基频电动势C(C)感应直流电动势D(D)不感应电动势15、某隐极同步发电机的额定数据为：UN=11kV，PN=3MW，同步电抗 XC=11，Y接法。若处在额定运行状态时的每相空载电动势E0=8kV，则发电机的功角为（）。（定子电阻忽略不计）A7.18° B12.5° 文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9C13.6° D15.4°16、为维护、测试和检修设备安全需断开电源时，应设置_。A空气断路器B继电器C隔离电器D接触器17、消防车道距高层建筑外墙宜大于_。A2mB4mC5mD7m18、有一级负荷的用电单位，难以从地区电力网取得两个电源而有可能从邻近单位取得第二电源时，_从该单位取得第二电源。A必须B宜C应D不应19、当烟囱上的引下线采用圆钢时，其直径不应小于_。A8mmB10mmC12mmD16mm20、某双绕组变压器的额定容量为15000kVA，短路电压百分值为10.5，额定变比为 220/38.5kV，则归算到高压侧的等值电抗为（）Ω。AABBCCDD21、22、”理想气体和单一热源接触做等温膨胀时，吸收的热量全部用来对外做功。”对此说法，有如下几种讨论，哪种是正确的：（）。A.不违反热力学第一定律，但违反热力学第二定律 B.不违反热力学第二定律，但违反热力学第一定律 C.不违反热力学第一定律，也不违反热力学第二定律 D.违反热力学第一定律，也违反热力学第二定律23、按照合同法的规定，招标人在招标时，招标公告属于合同订立过程中的：A邀约B承诺C要约邀请D以上都不是24、负荷计算的目的是 _。A用来确定负荷的级别B用来确定负荷的性质文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9C用来确定负荷的类型D作为按发热条件选导线、选设备、整定二次保护装置动作值的依据25、供电系统，电力电缆直埋于非冻土地区时，电缆埋置深度应为电缆外皮至地面深度不得小于 0.7m；当位于车行道或耕地下时，不宜小于_m。A0.8B0.9C1D1.2二、多项选择题（共25 题，每题2 分，每题的备选项中，有2 个或 2 个以上符合题意，至少有 1 个错项。错选，本题不得分；少选，所选的每个选项得0.5分）1、试题 2-3 图电路中的电流I 为（）。A3A B1A C-3A D-1A2、变电所电气装置保护接地的接地电阻一般情况下有效接地和低电阻接地系统中 R_。(I 为计算入地短路电流)A0.05IB0.005IC0.0005ID0.00005I3、单根电缆保护管使用时，每路不宜超过_弯头。A3 个B4 个C5 个D2 个4、安全距离用于防止人体触及或过分_带电体而发生触电。A接近B碰撞C维护D触及5、设ψ（x）为连续型随即变量的概率密度，则下列结论中一定正确的是：（）.A.AB.BC.CD.D6、非铠装电缆用于 _时，应采用具有机械强度的管或罩加以保护。A非电气人员经常活动场所的地坪以上1m 范围，地中引出的地坪下0.3m 深电缆区段B非电气人员经常活动场所的地坪以上2m范围，地中引出的地坪下0.5m深电缆区段C非电气人员经常活动场所的地坪以上2m 范围，地中引出的地坪下0.3m 深电缆区段文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9D可能有载重设备移经电缆的区段7、25时，在 Cn（NH3）4SO4水溶液中，滴加 BaCl2 时有白色沉淀产生；滴加 NaOH 时无变化；而滴加 Na2S时则有黑色沉淀生成，以上实验现象说明该溶液中（KS 为溶度积常数）（）。A已无 SO42-离子B已无游离的 NH3C已无 Cu2+离子D8、在三相感应电动机的转子电路中串入电抗，则电机的启动转矩将会_。A(A)增大B(B)减小C(C)不变D(D)不确定9、对电容器内部故障及其引出线的短路保护，宜采用每台电容器分别设专用熔断器，熔丝的额定电流可为电容器额定电流的_倍。A1.31.5B1.31.8C1.52.0D1.72.010、11、会议系统包括 _。A电子表决系统B视频显示系统C同声传译系统D无线触摸屏控制系统12、已知某变压器变比为110(122.5%)/11kV，容量为 20MVA，低压母线最大负荷为 18MVA，cos=0.6，最小负荷为 7MVA，cos=0.7，归算到高压侧的变压器参数为 5+j60，变电所高压侧母线在任何情况下均维持电压为107kV，为了使低压侧母线保持顺调压，该变压器的分接头为_A主接头档，U1=110kVB110(1-5%)档，U1=104.5kVC110(1+2.5%)档，U1=112.75kVD110(1-2.5%)档，U1=107.25kV13、发电厂、变电所中，对一台1000kVA 室内布置的油浸变压器，考虑就地检修，设计采用的下列尺寸中，哪一项不是规程允许的最小尺寸？A变压器与后壁间600mmB变压器与侧壁间1400mmC变压器与门间 1400mmD室内高度按吊芯所需的最小高度加700mm14、下列几种情况中，电力负荷应为一级负荷中特别重要负荷的是_。A中断供电将造成人身伤亡B中断供电将在政治、经济上造成重大损失C中断供电将发生中毒、爆炸和火灾等情况D某些特等建筑，如国宾馆、国家级及承担重大国事活动的会堂、国家级大文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9型体育中心的特别重要负荷15、带可燃性油的高压配电装置，宜装设在单独的高压配电室内，当高压开关柜的数量为 6 台以下时，_与低压配电屏放置在同一房间内而不会出现相互影响的事故。A可以B严禁C必须D应该16、某车间生产用电设备如下，采用需要系数法计算负荷：冷加工机床电动机总容量为 680kW，需要系数 KX 0.35,cos 0.5；风机和水泵电动机总容量为740kW，需要系数 KX 0.8,cos0.8。(1)其视在功率 Sis为_。A1192kVAB1059kVAC953kVAD886kVA17、高压电缆校验的项目包括_。A额定电压B额定电流C额定开断电流D短路电流热稳定校验E环境条件18、防直击雷的避雷带网格尺寸小于或等于6m4m属于_类防雷建筑物。A一B二C三D四19、无功补偿的投切方式，具有_情况者，宜采用手动投切的无功补偿装置。A避免在轻载时电压过高B补偿低压基本无功功率的电容器组C常年稳定的无功功率D经常投入运行的变压器或配、变电所内投切次数较少的高压电动机及电容器组20、地面上水平距离为 _的两点间的电位差，称为跨步电势；接地网外的地面上水平距离 _处对接地网边缘接地体的电位差，称为最大跨步电势。A0.8m,0.3mB0.3m,0.8mC0.8m,0.5mD0.5m,0.8m21、在负荷较小或地区供电条件困难时，二级负荷可由一回6kV 及以上专用的架空线路或电缆供电。当采用架空线时，可为一回架空线供电；当采用电缆线路时，应采用两根电缆组成的线路供电，其每根电缆应能承受_的二级负荷。A30%B50%C80%文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9D100%22、_是类耐冲击设备。A滤波器B家用电器C一次过电流保护电器D断路器23、建设项目中防治污染的设施，必须与主体工程同时_。A设计B施工C投产使用D维护24、1.0 级及 2.0 级的电能表处电压降不得大于电压互感器额定二次电压的_。A0.25%B0.5%C1.0%D1.5%25、火灾自动报警装置在火灾发生期间的最少连续供电时间为_。A10minB20minC40minD60min文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G10B5S9G5 ZD1L8X2B8Q9文档编码:CB3R10C1U6F9 HG7G1