2021年配网工程技能竞赛理论知识试题库（含各题型）

2021/r/n年配网工程技能/r/n竞赛/r/n理/r/n论/r/n知/r/n识试题库/r/n(含各/r/n题/r/n型)/r/n一/r/nゝ单选题/r/n.配电线路的导线固定后,应检查绝缘子无/r/n()。/r/nA/r/n、/r/n损伤;/r/nB/r/n、/r/n紧固;/r/nC/r/n、/r/n牢固;/r/nD/r/n、/r/n烧伤。/r/n答案:/r/nA/r/n./r/n以下说法不正确的是/r/n()。/r/nA/r/n、/r/n开关站站址应高于历史最高内涝水位;/r/nB/r/n、/r/n配电室内标高不得低于所处地理位置居民楼ー楼的室内标高;/r/nC/r/n、/r/n配电室基础应采用局部浇筑,内外做防水处理;/r/nD/r/n、/r/n为降低接触电势和跨步电压,视地势条件,土建站基础外延应按标准采取散水措施。/r/n答案:/r/nC/r/n./r/n止步高压危险属于/r/n()。/r/nA/r/n、/r/n禁止类标示;/r/nB/r/n、/r/n警告类标示;/r/nC/r/n、/r/n指令类标示;/r/nD/r/n、/r/n安全防护标示。/r/n答案：/r/nB/r/n.10kV/r/n电缆分支箱施工前检查内容不正确的是/r/n()。/r/nA/r/n、/r/n电缆分支箱规格、型号符合设计图纸要求和规定;/r/nB/r/n、/r/n外观应无机械损伤、变形和外观脱落,附件齐全;/r/nC/r/n、/r/n电缆分接箱基础应根据设计图纸并结合设备厂家提供的安装图纸进行施工,基础应高于室外地坪,周围排水通畅,基础预埋件及预留孔洞应符合设计要求;/r/nD/r/n、/r/n电缆分支箱基础高出地面应大于/r/n300mm,/r/n电缆井深度应大于/r/n!000mm1/r/n部分寒冷地区应大于/r/n1500mm/r/n，保证开挖至浮土层以下。/r/n答案:/r/nD/r/n./r/n重大物件的起重、搬运工作应由有经验的专人负责,作业前应进行/r/n〇。/r/nA'/r/n技术交底;/r/nB'/r/n安全交底;/r/nC'/r/n安全教育;/r/nD'/r/n《安规》考试。/r/n答案:/r/nA/r/n./r/n配电线路/r/n()/r/n以上的转角杆拉线应按线路导线方向分别设/r/n置。/r/nA'/r/n25°;/r/nB/r/n、/r/n30°/r/n;/r/nC'/r/n35°/r/n;/r/nD'/r/n40°/r/n〇/r/n答案：/r/nB/r/n./r/n跌落式熔断器熔丝管轴线与地面的垂线夹角应为/r/n()。/r/nA/r/n、/r/n10°/r/n〜/r/n20°/r/n;/r/nB'/r/n15°/r/n〜/r/n30/r/n。/r/n;/r/nC'/r/n20°/r/n〜/r/n40/r/n。/r/n;/r/nD'/r/n30/r/n〇/r/n〜/r/n40/r/n。/r/n〇/r/n答案：/r/nB/r/n./r/n柱上断路器应安装牢固可靠,水平倾斜不大于托架长度的/r/n0%/r/n。/r/nA'/r/n1/r/n;/r/nB'/r/n2;/r/nC'/r/n3;/r/nD'/r/n4/r/n〇/r/n答案：/r/nA/r/n.10kV/r/n架空配电线路与通航河流在年最高水平时的最小垂直距离为/r/n()m/r/n。/r/nA'/r/n6;/r/nB'/r/n7;/r/nC'7.5;/r/nD\80/r/n答案:/r/nA/r/n10./r/n绝缘导线放线过程中,放线滑轮槽深不应小于绝缘线外径的/r/n()倍。/r/nA/r/n、/r/n1.1;/r/nB/r/n、/r/n1.2;/r/nC/r/n、/r/n1./r/n25;/r/nD/r/n、/r/n!/r/n./r/n5/r/n〇/r/n答案:/r/nC/r/n.带电断、接架空线路与/r/n空/r/n载电缆线路的连接引线应采取消弧措施,不得直接带电断、接。断、接电缆引线前应检查相序并做好标志。/r/n10kV/r/n空载电缆长度不宜大于/r/n3km/r/n。/r/n当空载电缆电容电流大于/r/n()/r/n时,应使用消弧开关进行操作。/r/nA/r/n、/r/n0.1A;/r/nB/r/n、/r/n0.2A/r/nC/r/n、/r/n0.5A/r/nD/r/n、/r/n1Ao/r/n答案:/r/nA/r/n./r/n跨越道路的水平拉线对路边缘的垂直距/r/n离/r/n不应小于/r/n()/r/nmo/r/nA/r/n、/r/n5;/r/nB/r/n、/r/n6;/r/nC/r/n、/r/n8;/r/nD/r/n、/r/n9/r/n〇/r/n答案：/r/nB/r/n./r/n绝缘手套作业法更换中相耐张绝缘子,作业前应勘查内容不包括/r/n()/r/n。/r/nA/r/n、/r/n拉线受カ情况/r/nB/r/n、/r/n导线弧/r/n垂;/r/nC/r/n、/r/n后端负荷/r/n大小;/r/nD/r/n、/r/n绝缘子规格型号。/r/n答案：/r/nC/r/n./r/n带电作业监护人的监护范围不得超过/r/n〇/r/n作业点。/r/nA/r/n、/r/n相邻两/r/n个;/r/nB/r/n、/r/n一定范围内;/r/nC/r/n、/r/nー/r/n个;/r/nD/r/n、/r/n两个。/r/n答案:/r/nC/r/n./r/nー/r/n级动火在首次动火时,各级审批人和/r/n()/r/n均应到现场检查防火安全措施是否正确完备,测定可燃气体、易燃液体的可燃蒸汽/r/n含量/r/n是否合格,并在监护下做明火试验,确无问题后方可动火。/r/nA/r/n、/r/n动火工作负责人；/r/nB/r/n、/r/n动火工作票签发人;/r/nC/r/n、/r/n消防监护人;/r/nD/r/n、/r/n公司安监人员。/r/n答案:/r/nB/r/n./r/n绝缘隔板和绝缘罩应存放在/r/n。。/r/n使用前应擦净灰尘。若表面有轻度擦伤,应涂绝缘漆处理。/r/nA/r/n、/r/n室内干燥的柜内;/r/nB/r/n、/r/n室内干燥、/r/n离/r/n地面/r/n200mm/r/n以上的专用的柜内;/r/nC/r/n、/r/n室内干燥、离地面/r/n200mm/r/n以上的架上;/r/nD/r/n、/r/n室内干燥、离地面/r/n200/r/nmm/r/n以上的架上或专用的柜内。/r/n答案：/r/nD/r/n./r/n采用低压脉冲测量电缆故障,一般要求故障电阻在/r/n()/r/n以下。/r/nA/r/n、/r/n1000/r/n;/r/nB/r/n、/r/n1500/r/n;/r/nC/r/n、/r/n2000/r/n;/r/nD/r/n、/r/n2500/r/n0/r/n答案：/r/nC/r/n./r/n绝缘毯是用薄膜叠层作覆盖物的绝缘遮蔽、隔离用具，以下叙述不正确的是/r/n()。/r/nA/r/n、/r/n内外材质应尽/r/n量/r/n采用统一材料;/r/nB/r/n、/r/n使用不同材料/r/n时,介/r/n电系数尽量相同,并接近空气的介电系数;/r/nC/r/n、/r/n边沿采用缝合技术时应用胶合剂密封;/r/nD/r/n、/r/n外层材料应具有憎水性强、沿面闪络电压/r/n高,/r/n耐磨、耐撕裂等性能。/r/n答案:/r/nC/r/n19.10kV/r/n绝缘线及低压绝缘线在档距内承カ连接一般采用/r/n()。/r/nA/r/n、/r/n预绞式接续/r/n条;/r/nB/r/n、/r/n钳压接续管;/r/nC/r/n、/r/n液压对接接续管;/r/nD/r/n、/r/n楔型线夹。/r/n答案:/r/nC/r/n./r/n带电作业绝缘工具在每次现场使用前均应/r/n()。/r/nA/r/n、/r/n可直接使用;/r/nB/r/n、/r/n做外观检查,不做其他检查;/r/nc/r/n、/r/n做外观检查,进行工频耐压试验；/r/nD/r/n、/r/n做外观检查,进行绝缘电阻测试。/r/n答案：/r/nD/r/n.在分析雷电流波前的作用/r/n时,/r/n通常采用的雷电流等值波形为/r/n()。/r/nA/r/n、/r/n斜角平顶波;/r/nB/r/n、/r/n半余弦波;/r/nC/r/n、/r/n尖顶波；/r/nD/r/n、/r/n脉冲波。/r/n答案：/r/nB/r/n./r/n起重用钢丝绳应每年试验一次,以/r/n()/r/n倍容许工作荷重进行/r/n10min/r/n的静カ试验,不应有断裂和显著的局部延伸现象。/r/nA/r/n、/r/n4;/r/nB/r/n、/r/n3;/r/nC/r/n、/r/n2;/r/nD/r/n、/r/n1/r/n〇/r/n答案：/r/nC/r/n./r/n变压器并列运行时,变压器阻抗电压百分值应相等,允许相差不超过士/r/n()％。/r/nAv7;/r/nBv8;/r/nCv9;/r/nDv10o/r/n答案:/r/nD/r/n./r/n在没有脚手架或者在没有栏杆的脚手架上工作,高度超过/r/n()/r/n时,应使用安全带,或采取/r/n其/r/n他可靠的安全措施。/r/nAv0.5m;/r/nBv1m;/r/nCv/r/n1./r/n5m;/r/nDv2m/r/n〇/r/n答案:/r/nC/r/n.10kV/r/n电缆分支箱安装,下列不属于对箱内机械部件调试要求的是/r/n()。/r/nAv/r/n保证柜门开闭灵活;/r/nBv/r/n操作机构动作可/r/n靠;/r/nCv/r/n产品说明书完整;/r/nD/r/n、/r/n机械防护装置动作可靠。/r/n答案:/r/nC/r/n./r/n电カ企业应当加强安全生产管理,坚持。第一、预防为主的方针。/r/nAv/r/n安全;/r/nB/r/n、/r/n效益;/r/nCv/r/n质/r/n量;/r/nDv/r/n稳定。/r/n答案：/r/nA/r/n./r/n金属抱杆做偏心压カ试验/r/n时,/r/n偏心载荷达到偏心额定载荷的/r/n1.25/r/n倍/r/n时,/r/n其横向变形不得超过抱杆全长的/r/n〇。/r/nAv/r/n1%;/r/nBv/r/n3%;/r/nCv/r/n3%/r/n。;/r/nD/r/n、/r/n1/r/n%〇〇/r/n答案:/r/nC/r/n./r/n《电气装置安装工程/r/n35kV/r/n及以下架空线路施工及验收规范》规定:绝缘子裙边与带电部位的间隙不应小于/r/n()/r/nmm/r/n。/r/nA/r/n、/r/n40;/r/nB/r/n、/r/n50;/r/nC/r/n、/r/n60;/r/nD/r/n、/r/ny0/r/n〇/r/n答案:/r/nB/r/n./r/n操作斗臂车时,工作斗的起升、下降速度不应/r/n()m/s/r/n。/r/nA/r/n、/r/n小于/r/n0./r/n1/r/n;/r/nB'/r/n大于/r/n0.2;/r/nC/r/n、/r/n小于/r/n0.3;/r/nD'/r/n大于/r/n0.5/r/n。/r/n答案：/r/nD/r/n./r/n挖坑前,应与有关地下管道、电缆等设施的/r/n()/r/n取得联系,明确地下设施的确切位置,做好防护措施。/r/nA/r/n、/r/n主管单/r/n位;/r/nB/r/n、/r/n运行单/r/n位;/r/nC/r/n、/r/n维护单位;/r/nD/r/n、/r/n建设单位。/r/n答案：/r/nA/r/n.开关柜安装时,依据设计图纸核对每面开关柜在室内安装位置,平行排列的柜体安装应以/r/n()/r/n为准,保证两面柜就位正确,其左右偏差く/r/n2/r/nm/r/nm,/r/n其他柜依次安/r/n装。/r/nA/r/n、/r/n分段母线桥两侧柜体;/r/nB/r/n、/r/n联络母线桥两侧柜体;/r/nC/r/n、/r/n进线母线柜体;/r/nD/r/n、/r/n出现母线柜体。/r/n答案：/r/nB/r/n32../r/n在配电带电作业中,作业人员应避免/r/n()/r/n。/r/nA/r/n、/r/n接触横担;/r/nB/r/n、/r/n接触拉线;/r/nC/r/n、/r/n接触接地构/r/n件;/r/nD/r/n、/r/n同/r/n时接触不同电位的物体。/r/n答案:/r/nD/r/n33./r/n在/r/nR./r/nL./r/nC/r/n串联电路上,发生谐振的条件是/r/n()。/r/nA/r/n、/r/n/r/n3/r/nL2c/r/n2=1;/r/nB/r/n、/r/n32LC=1;/r/nC/r/n、/r/n0)/r/nLC=1/r/n;/r/nD/r/n、/r/nu)=LCo/r/n答案:/r/nB/r/n.夜间巡线应携带足够的/r/n()。/r/nA/r/n、/r/n干/r/n粮;/r/nB/r/n、/r/n照明/r/n用具;/r/nC/r/n、/r/n急救药品；/r/nD/r/n、/r/n防身/r/n器材。/r/n答案：/r/nB/r/n./r/n关于高质量的成人胸外心脏按压的描述,错误的是/r/n0/r/n。/r/nA/r/n、/r/n按压深度/r/n5/r/n〜/r/n6cm;/r/nB/r/n、/r/n按压カ度越大,速度越快,救护效果越好;/r/nC/r/n、/r/n每次按压应使胸廓充分回弹;/r/nD/r/n、/r/n尽量减少中断的次数和时/r/n间。/r/n答案：/r/nB/r/n./r/n我国电カ系统公共连接点正常电压不平衡度允许值为/r/n()％,/r/n短时不得超过/r/n4%/r/n。/r/nA/r/n、/r/n1;/r/nB/r/n、/r/n2;/r/nC/r/n、/r/n3;/r/nD/r/n、/r/n5/r/n〇/r/n答案:/r/nB/r/n./r/n进入密闭电缆通道前必须/r/n〇,/r/n合格后方可进入。/r/nA/r/n、/r/n查看内部情况;/r/nB/r/n、/r/n进入/r/n检查;/r/nC/r/n、/r/n探测氧气/r/n含量;/r/nD/r/n、/r/n检测气体成分和/r/n含量。/r/n答案:/r/nD/r/n.接入支接引线前应清除连接处导线上的/r/n()。/r/nA/r/n、/r/n绝缘层;/r/nB/r/n、/r/n氧/r/n化层;/r/nC/r/n、/r/n屏/r/n蔽层;/r/nD/r/n、/r/n导线层。/r/n答案：/r/nB/r/n.使用钳形电流表测/r/n量,/r/n应保证钳形电流表的/r/n()/r/n与被测设备相符。/r/nA/r/n、/r/n量程；/r/nB/r/n、/r/n规格;/r/nC/r/n、/r/n电压/r/n等级;/r/nD/r/n、/r/n参数。/r/n答案：/r/nC/r/n40,/r/n在超过/r/n〇/r/n深的基坑内作业时,向坑外抛掷土石应防止土石/r/n回/r/n落坑内,并做好防止土层塌方的临边防护措/r/n施。/r/nA/r/n、/r/n1m;/r/nB\/r/n1/r/n./r/n5m;/r/nC/r/n、/r/n2m;/r/nD/r/nx/r/n2.5m/r/no/r/n答案：/r/nB/r/n./r/n配电架空线路/r/n7/r/n股导线中任一股损伤深度不应超过该股导线直径的/r/n()。/r/nAv/r/n1/5;/r/nBv/r/n1/4;/r/nCv/r/n1/3;/r/nDv/r/n1/2/r/n〇/r/n答案:/r/nD/r/n.3/r/n〜/r/n10kV/r/n线路每相引流线,引下线与邻相的引流线,引下线或导线之/r/n间,/r/n安装后的净空距离应不小于/r/n()。/r/n150mm;/r/n300mm;/r/nCv400mm;/r/nDv500mm/r/no/r/n答案:/r/nB/r/n.电阻、电/r/n感、/r/n电容串联电路中,电路中的总电流与电路两/r/n端/r/n电压的关系是/r/n()。/r/nAv/r/n电流超/r/n前于/r/n电压;/r/nBv/r/n总电压可能超/r/n前/r/n与总电流,也可能滞后与总电流;/r/nC/r/n、/r/n电压超前于电流;/r/nD/r/n、/r/n电流与电压同相/r/n位。/r/n答案：/r/nB/r/n./r/n电缆线路及电缆线段巡查周期为〇一次,电缆竖井为〇一次。/r/nAv/r/n半年、/r/n一/r/n年;/r/nB/r/n、/r/n3/r/n个/r/n月、/r/n半年;/r/nCv/r/n半年、半年;/r/nDv/r/n3/r/n个/r/n月、/r/n3/r/n个月。/r/n答案：/r/nB/r/n.配网变压器监测/r/n计量终端,/r/nTA/r/n安装完毕,应测量/r/n0,/r/n确保无开路和寄生回路存在。/r/nAv/r/n回路电/r/n阻；/r/nBv/r/n绝缘电阻;/r/nC/r/n、/r/n负荷/r/n特性;/r/nD/r/n、/r/n接地电阻。/r/n答案:/r/nA/r/n.《带/r/n电作业工具、装置和设备预防性试验规程》规定,绝缘斗/r/n臂/r/n车预防性试验标准中,吊臂的试验的电压为/r/nOkV/m/r/n。/r/nA/r/n、/r/n20;/r/nB/r/n、/r/n45;/r/n100;/r/n200/r/n〇/r/n答案:/r/nC/r/n./r/n电缆绝缘中的/r/n()/r/n是引起电介质老化的重要原因/r/n之一。/r/nA/r/n、/r/n局部/r/n放电;/r/nB/r/n、/r/n气/r/n泡;/r/nC/r/n、/r/n缺/r/n陷;/r/nD/r/n、/r/n破损。/r/n答案：/r/nA/r/n./r/n有关胸外心脏按压位置的描述错误的是/r/n()。/r/nA/r/n、/r/n胸骨中下/r/n1/3/r/n处;/r/nB/r/n、/r/n成人为两乳头连线中点;/r/nC/r/n、/r/n幼儿按压位置比成年人位置略偏下些;/r/nD/r/n、/r/n心脏正上方。/r/n答案：/r/nD/r/n49.10kV/r/n带电作业用绝缘遮蔽罩预防性试验中,/r/nエ/r/n频耐压试验应在/r/nOkV/r/n«/r/n持续时间/r/n1min,/r/n无闪络、无击穿、无过热为/r/n合格。/r/nA'/r/n20;/r/nB'/r/n30;/r/nC'/r/n75;/r/nD'/r/n100o/r/n答案：/r/nA/r/n.在继电保护、配电自动化/r/n装置、/r/n安全自动/r/n装置/r/n和仪表及自动化监控系统屏间的通道上安放试验设备时,/r/n(),/r/n要与运行设备保持一定距离,防止事故处理时通道不畅。/r/nA/r/n、/r/n不能堆放;/r/nB/r/n、/r/n不能阻塞/r/n通道;/r/nC/r/n、/r/n得到值班员同意;/r/nD/r/n、/r/n应放在指定地点。/r/n答案:/r/nB/r/n.更换绝缘子、移动或开断导线的作业,应有防止/r/n()/r/n的后备保护措/r/n施。/r/n开断导线时不得两相及以上同时进行,开断后应及时对开断的导线端部采取绝缘包/r/n裹/r/n等遮蔽措/r/n施。/r/nA/r/n、/r/n导线/r/n脱落;/r/nB/r/n、/r/n导线/r/n断裂;/r/nC/r/n、/r/n导线断股;/r/nD/r/n、/r/n导线移动。/r/n答案:/r/nA/r/n./r/n在最大风偏情况下:当架空绝缘导线/r/n水平/r/n距/r/n离/r/n小于等于/r/n0m/r/n时,则构成危急缺陷。/r/nA/r/n、/r/n0./r/n5;/r/nB/r/n、/r/n1;/r/nC/r/n、/r/n1.5;/r/nD/r/n、/r/n2/r/n〇/r/n答案：/r/nB/r/n./r/n某地市城网区域共有/r/n!0kV/r/n线路/r/n400/r/n条,其中联网线路条数为/r/n320/r/n条,满足/r/nN-1/r/n要求线路为/r/n300/r/n条,则该公司配网线路联络率为/r/n()%〇/r/nA/r/n、/r/n75;/r/nB/r/n、/r/n80;/r/nC/r/n、/r/n85;/r/nD/r/n、/r/n90/r/n〇/r/n答案:/r/nB/r/n./r/n电缆的/r/n几/r/n何尺寸主要根据电缆()决定的。/r/nA/r/n、/r/n传输/r/n容量;/r/nB/r/n、/r/n敷设/r/n条件;/r/nC/r/n、/r/n散热/r/n条件;/r/nD/r/n、/r/n容/r/nI/r/n午温升。/r/n答案:/r/nA/r/n./r/n电焊机的外壳应可靠接地,接地电阻不得大于/r/n()/r/nQ/r/n-/r/nA/r/n、/r/n2.0;/r/nB/r/n、/r/n3./r/n0;/r/nC/r/n、/r/n4.0;/r/nD/r/n、/r/n5./r/n〇〇/r/n答案：/r/nC/r/n56./r/n导线切割磁力线运动时,导线中会产生/r/n()/r/n。/r/nA/r/n、/r/n感应电动势;/r/nB/r/n、/r/n感应电流;/r/nC/r/n、/r/n磁力线;/r/nD/r/n、/r/n感应磁场。/r/n答案：/r/nA/r/n./r/n按照/r/nQ/GDW249-2009/r/n《/r/n10kV/r/n旁路作业设备技术条件》要求,与旁路连接器连接的电缆应为/r/n()。/r/nA/r/n、/r/n单芯电カ工程/r/n电缆;/r/nB/r/n、/r/n三芯电カ工程电缆/r/nC/r/n、/r/n单芯柔/r/n性电缆;/r/nD/r/n、/r/n三/r/n芯柔性/r/n电缆。/r/n答案：/r/nC/r/n./r/n旁/r/n路法作业的原理是在线路元件两端安装/r/n旁/r/n路系统,通过/r/n旁/r/n路系统的投切,达到更换线路元件的同时保证/r/n()/r/n的目的。/r/nA/r/n、/r/n切除负载;/r/nB/r/n、/r/n持续供电;/r/nC/r/n、/r/n无故障;/r/nD/r/n、/r/n线路检修。/r/n答案:/r/nB/r/n./r/n铝合金绞线在同一处损伤程度损失超过总拉断力的/r/n5%,/r/n但不超过/r/n()%时,/r/n可用修补管补修。/r/nA/r/n、/r/n15;/r/nB/r/n、/r/n17;/r/nC/r/n、/r/n19;/r/nD/r/n、/r/n21/r/n〇/r/n答案:/r/nB/r/n./r/n钢丝绳插接的环绳或绳套,其插接长度应大于钢丝绳直径的/r/n0/r/n倍,且不得小于/r/n300mm/r/n〇/r/nA/r/n、/r/n5./r/n0;/r/nB/r/n、/r/n10.0;/r/nC/r/n、/r/n15.0;/r/nD/r/n、/r/n20./r/n〇〇/r/n答案：/r/nC/r/n.移动电缆接头一般应停电进/r/n行。/r/n若必须带电移动,应先调查该电缆的/r/n(),/r/n由有经验的施工人员,在专人统一指挥下,/r/n平/r/n正移动。/r/nA/r/n、/r/n历史记录;/r/nB/r/n、/r/n出厂资/r/n料;/r/nC/r/n、/r/n试验数/r/n据;/r/nD/r/n、/r/n技术参数。/r/n答案：/r/nA/r/n.安全/r/nエ/r/n器具使用/r/n前,/r/n应检查确认〇部分无裂纹、无老化、无绝缘层脱落、无严重伤痕等现象以及固定连接部分无松动ゝ无锈蚀、无断裂等现象。/r/nA/r/n、/r/n绝缘;/r/nB/r/n、/r/n传动;/r/nC/r/n、/r/n固定;/r/nD/r/n、/r/n外壳。/r/n答案:/r/nA/r/n63./r/n锯钢铠工作是在已剥除外护层后进行的,在/r/n离/r/n破塑/r/n口()/r/n处扎绑线,在绑线处将钢铠据掉。/r/n5mm;/r/n10mm;/r/nC/r/nヽ/r/n1/r/n5mm;/r/nD\20mm/r/n〇/r/n答案:/r/nD/r/n./r/n某供电公司对新建的/r/n10kV/r/n电缆线路沟道进行竣工验收,电缆沟道内采用金属支架,分层布置,并根据设计要求做/r/n了/r/n特殊的防腐处理。电缆线路沟道内各支架的同层横档应在同一水平面上,其高低偏差不应大于/r/n()/r/nmm/r/n。/r/nA/r/n、/r/n2;/r/nB/r/n、/r/n3;/r/nC/r/n、/r/n5;/r/nD/r/n、/r/n10o/r/n答案：/r/nC/r/n.标准化作业指导书一般由封面、范围、引用文件、前期准备ゝ流程图、/r/n()/r/n和エ艺标准、验收记录ゝ作业指导书执行情况评估和附录等组成。/r/nA'/r/n作业程/r/n序;/r/nB'/r/n作业/r/n方法;/r/nC'/r/n作业/r/n事项;/r/nD'/r/n作业/r/n范围。/r/n答案：/r/nA/r/n./r/n柱上隔离开关安装,动触头安装在/r/n0/r/n。/r/nA'/r/n负荷侧;/r/nB'/r/n母线侧;/r/nC'/r/n电源侧;/r/nD/r/n、/r/n任意侧。/r/n答案:/r/nA/r/n./r/n导线截面的选择应符合配电网发展规划的要求,一般考虑/r/n()/r/n年/r/n用/r/n电负荷的增长情况。/r/nA/r/n、/r/n/5;/r/n3/r/n〜/r/n5;/r/nG/r/n5/r/n〜/r/n8;/r/nD/r/n、/r/n5/r/n〜/r/n10/r/n。/r/n答案:/r/nD/r/n./r/n柱上开关设备的防雷装置应采用/r/n()。/r/nA/r/n、/r/n避雷针;/r/nB/r/n、/r/n避雷线;/r/nC/r/n、/r/n避雷器;/r/nD/r/n、/r/n接地/r/n装置。/r/n答案：/r/nC/r/n./r/n导线有散股、灯笼现象,ー耐张段出现/r/n()/r/n处及以上时构成导线严重缺陷。/r/nA/r/n、/r/n2;/r/nB/r/n、/r/n3;/r/nC/r/n、/r/n4;/r/nD/r/n、/r/n5/r/n〇/r/n答案：/r/nB/r/n./r/n在变压器中性点装入消弧线圈的目的是。。/r/nA'/r/n提高电网电压水平;/r/nB'/r/n限制变压器故障电流;/r/nC'/r/n补偿单相接地电容电流;/r/nD/r/n、/r/n提高变压器绝缘水平。/r/n答案：/r/nC/r/n.电缆管内径不应小于电缆外径的/r/n1.5/r/n倍,水泥管、陶土管、石棉水泥管,其内径不应小于/r/n()。/r/nAx70mm;/r/n80mm;/r/n90mm;/r/n100mm/r/no/r/n答案:/r/nD/r/n./r/n变压器停电的操作应/r/n()。/r/nA/r/n、/r/n先停负荷侧,然后停电源侧;/r/nB/r/n、/r/n先停电源侧,然后停负荷侧;/r/nC/r/n、/r/n两侧同时停;/r/nD/r/n、/r/n无规定。/r/n答案:/r/nA/r/n./r/n在关合跌落式熔断器/r/n时/r/n应合上/r/n()/r/n相的开关。/r/nA/r/n、/r/n迎风;/r/nB/r/n、/r/n中;/r/nC/r/n、/r/n背风;/r/nD/r/n、/r/n边。/r/n答案：/r/nA/r/n./r/n某地市/r/n10kV/r/n线路回长/r/n8000km,/r/n其中架空线路长度/r/n4500km,/r/n架空绝缘线路长度/r/n2800km,/r/n则该地市的架空线路绝缘化率为/r/n()%〇/r/nA/r/n、/r/n35;/r/nB/r/n、/r/n43./r/n75;/r/nC/r/n、/r/n56.25;/r/nD/r/n、/r/n62./r/n2/r/n〇/r/n答案：/r/nD/r/n./r/n绝缘杆作业法断接引线登杆作业过程中,杆上作业人员应/r/n()/r/n安全带。/r/nA/r/n、/r/n视情况使用;/r/nB/r/n、/r/n不用；/r/nC/r/n、/r/n全程使用/r/nD/r/n、/r/n全程不用。/r/n答案:/r/nc/r/n76,/r/n在工作过程中,绝缘斗臂车的发动机不得熄火(电能驱动型除外)。接近和离开带电部位时,应由/r/n()/r/n人员操作,下部操作人员不得离/r/n开/r/n操作台。/r/nA/r/n、/r/n下部;/r/nB/r/n、/r/n操作台;/r/nC/r/n、/r/n绝缘斗中;/r/nD/r/n、/r/n非工作。/r/n答案:/r/nC/r/n./r/n杆塔警示标识应在杆部距地面/r/n300mm/r/n以上面向公路侧沿杆一周粘贴警示板或喷涂警示标识,警示板或喷涂标识为/r/n0./r/n高/r/n1200/r/nmm/r/n。/r/nA/r/n、/r/n红绿相/r/n间;/r/nB/r/n、/r/n黑黄相/r/n间;/r/nC/r/n、/r/n黑红相/r/n间;/r/nD/r/n、/r/n黑白相间。/r/n答案:/r/nB/r/n./r/n跌落式开关污秽较为严重,但表面无明显放电属于/r/n0/r/n。/r/nA/r/n、/r/n危急缺陷;/r/nB/r/n、/r/n严重缺/r/n陷;/r/nC/r/n、/r/n一/r/n般缺/r/n陷；/r/nD/r/n、/r/n轻微缺陷。/r/n答案：/r/nC/r/n./r/n在开展红外测温时,风速一般不大于/r/n()m/s/r/n。/r/nA/r/n、/r/n2;/r/nB/r/n、/r/n3;/r/nC/r/n、/r/n5;/r/nD/r/n、/r/n7/r/n〇/r/n答案：/r/nC/r/n.不同的通电途径对人体造成的伤害不同，以下途径中伤害最严重的为/r/n()。/r/nA/r/n、/r/n手到手；/r/nB/r/n、/r/n脚到脚;/r/nC/r/n、/r/n左手到/r/n脚;/r/nD/r/n、/r/n右手到脚。/r/n答案:/r/nC/r/n.查找直埋电缆外皮破损的开放性故障宜采用/r/n()。/r/nA/r/n、/r/n冲击放电声测法;/r/nB/r/n、/r/n声磁信号同步接收法;/r/nC/r/n、/r/n音频信号法;/r/nD/r/n、/r/n跨步电压法。/r/n答案:/r/nD/r/n./r/n绝缘操作杆是间接操作中的主要手持工具,在电气上承担/r/n〇/r/n作用。/r/nA/r/n、/r/n电位转移;/r/nB/r/n、/r/n验电;/r/nC/r/n、/r/n绝缘;/r/nD/r/n、/r/n支撑。/r/n答案：/r/nC/r/n./r/n采用绝缘手套作业法进行直线杆改耐张杆并加装柱上开关作业中,需配置的金属卡线器至少/r/n()/r/n只。/r/nA/r/n、/r/n2;/r/nB/r/n、/r/n4;/r/nC/r/n、/r/n6;/r/nD/r/n、/r/n8/r/n〇/r/n答案：/r/nB/r/n./r/n攀登杆塔过程中应检查()和金具锈蚀情况。/r/nA/r/n、/r/n纵向裂纹；/r/nB/r/n、/r/n横向裂纹;/r/nC/r/n、/r/n裂纹;/r/nD/r/n、/r/n绝缘子污染。/r/n答案：/r/nB/r/n./r/n电源电动势的大小表示()做功本领的大小。/r/nA/r/n、/r/n电场カ;/r/nB/r/n、/r/n外力;/r/nG/r/n摩擦カ;/r/nD/r/n、/r/n磁场カ。/r/n答案:/r/nB/r/n.配电站、开闭所、箱式变电站等的钥匙至少应有。。/r/nA/r/n、/r/n一/r/n把；/r/nB/r/n、/r/n二把；/r/nC/r/n、/r/n三把；/r/nD/r/n、/r/n四把。/r/n答案:/r/nC/r/n./r/n高压电缆引出线连接架空线时,与架空线连接处应不少于。个线夹。/r/nA/r/n、/r/n1;/r/nB/r/n、/r/n2;/r/nC/r/n、/r/n3;/r/nD/r/n、/r/n4/r/n。/r/n答案:/r/nB/r/n.XLPE/r/n电缆金属屏蔽允许的短路电流与短路时间和/r/n。/r/n有关。/r/nA/r/n、/r/n导体标称面积;/r/nB/r/n、/r/n屏蔽标称面积;/r/nC/r/n、/r/n导体短路电流；/r/nD/r/n、/r/n短路前电缆温度。/r/n答案:/r/nB/r/n./r/n带负荷更换跌落式熔断器作业前,跌落式熔断器引线与地电位物体间的安全距离应不小于。/r/nm/r/n。/r/nA/r/n、/r/n0./r/n1/r/n;/r/nB/r/n、/r/n0./r/n2;/r/nC/r/n、/r/n0.3;/r/nD/r/n、/r/n0.4o/r/n答案:/r/nB/r/n./r/n装用漏电保护/r/n器,/r/n属于/r/n()。/r/nA/r/n、/r/n绝对保安措/r/n施;/r/nB/r/n、/r/n辅助保安措/r/n施;/r/nC/r/n、/r/n基本保安措/r/n施;/r/nD/r/n、/r/n特殊保安措施。/r/n答案:/r/nC/r/n./r/n两支等高避雷针间距离与针高之比不宜大于/r/n()。/r/nA/r/n、/r/n4;/r/nB/r/n、/r/n5;/r/nC/r/n、/r/n6;/r/nD/r/n、/r/ny/r/n〇/r/n答案：/r/nB/r/n.有四个电阻,分别为/r/n1Q/r/n、/r/n2/r/n。、/r/n3/r/n。、/r/n4Q,/r/n将它们并联在电路中,则电路的等效电阻为/r/n()/r/nQ/r/n-/r/n3/4;/r/n5/12;/r/n12/25;/r/n24/25/r/n〇/r/n答案：/r/nC/r/n./r/n交流电阻和电感串联电路中,/r/n用/r/n()/r/n表示电阻、电感及阻抗之间的关系。/r/nA/r/n、/r/n电压三角形;/r/nB/r/n、/r/n功/r/n率/r/n三角形；/r/nC/r/n、/r/n阻抗三角形;/r/nD/r/n、/r/n电流三角形。/r/n答案：/r/nC/r/n./r/n电缆沟深度小于/r/n600mm/r/n两侧有电缆支架时的通道宽度为/r/n()mm/r/n。/r/nA/r/n、/r/n/r/n300;/r/nB/r/n、/r/n500;/r/nG700;/r/nD/r/n、/r/n900/r/n〇/r/n答案:/r/nA/r/n./r/n独立抱杆至少应有四根缆风绳,人字抱杆至少应有/r/n()/r/n缆风绳并有限制腿部开度的控制绳。/r/nA/r/n、/r/n两根;/r/nB/r/n、/r/n三根;/r/nC/r/n、/r/n四根;/r/nD/r/n、/r/n六根。/r/n答案:/r/nA/r/n./r/n不属于带电作业辅助工作的是/r/n()。/r/nA/r/n、/r/n绝缘斗臂车的支腿;/r/nB/r/n、/r/n绝缘エ器具的擦拭和检测;/r/nC/r/n、/r/n气象条件检测;/r/nD/r/n、/r/n带电更换绝缘/r/n子。/r/n答案：/r/nD/r/n./r/n依据/r/n2015/r/n版国际心肺复苏指南,以下关于成人心肺复苏描述错误的是/r/n()。/r/nA/r/n、/r/n应在平硬的地面或硬板床上进行;/r/nB/r/n、/r/n按压与呼吸比例为/r/n10:2;/r/nC/r/n、/r/n伤者仰卧位;/r/nD/r/n、/r/n每操作/r/n5/r/n个循环需检查一次患者生命体征。/r/n答案：/r/nB/r/n98./r/n钢接地体的搭接应使用/r/n()/r/n方式。/r/nA/r/n、/r/n热熔焊;/r/nB/r/n、/r/n真空/r/n钎焊;/r/nC/r/n、/r/n火焰/r/n钎焊;/r/nD/r/n、/r/n搭接焊。/r/n答案：/r/nD/r/n./r/n电缆沟接地网的接地电阻应小于/r/n0/r/n。/r/nA/r/n、/r/n20Q/r/n：/r/nB/r/n、/r/n1OQ/r/n：/r/nC/r/n、/r/n40;/r/nD/r/n、/r/n20o/r/n答案:/r/nC/r/n./r/n带负荷更换柱上开关作业,在拉开/r/n旁/r/n路开关之前应/r/n()。/r/nA/r/n、/r/n拆除柱上开关引线;/r/nB/r/n、/r/n搭接柱上开关引线;/r/nC/r/n、/r/n拆除电缆引线;/r/nD/r/n、/r/n将开关分闸解锁。/r/n答案:/r/nD/r/n1/r/n01/r/n.当截面为/r/n50mm/r/n2/r/n的空载/r/n1/r/n0kV/r/n电缆长度不大于/r/n1/r/n50m/r/n时,/r/n其单相稳态电容电流小于/r/n0A/r/n。/r/nA/r/n、/r/n0./r/n1;/r/nB/r/n、/r/n0./r/n2;/r/nC/r/n、/r/n0./r/n3;/r/nD/r/n、/r/n0./r/n5/r/n〇/r/n答案：/r/nA/r/n102/r/n.按照/r/nQ/GDW249-2009/r/n《/r/n10kV/r/n旁路作业设备技术条件》要求,旁路电缆连接器接头的机械寿命应大于/r/n()/r/n次对接循环。/r/n1000;/r/n2000;/r/n3000;/r/n4000/r/n〇/r/n答案：/r/nC/r/n.配电线路停电进行转角杆正杆工作,要求天气良好,风カ不超过/r/n()/r/n级。/r/nA/r/n、/r/n3;/r/nB/r/n、/r/n4;/r/nC/r/n、/r/n5;/r/nD/r/nx/r/n60/r/n答案:/r/nD/r/n./r/n()/r/n是救活触电者的首要因/r/n素。/r/nA/r/n、/r/n请医生急救;/r/nB/r/n、/r/n送/r/n往医院;/r/nC/r/n、/r/n向上级报告;/r/nD/r/n、/r/n使触电者尽快脱离电源。/r/n答案:/r/nD/r/n./r/n配电变压/r/n器/r/n分接开关/r/n机/r/n构/r/n卡涩,/r/n无/r/n法/r/n操作属/r/n于()/r/n。/r/nA/r/n、/r/n危急缺/r/n陷；/r/nB/r/n、/r/n严重缺/r/n陷;/r/nC/r/n、/r/n一般缺/r/n陷;/r/nD/r/n、/r/n轻微缺/r/n陷。/r/n答案：/r/nB/r/n./r/n常闭式防火/r/n门/r/n在火灾未发生时应处于/r/n0/r/n状态。/r/nA/r/n、/r/n敞/r/n开;/r/nB/r/n、/r/n闭/r/n合;/r/nC/r/n、/r/n敞开闭合都可以；/r/nD/r/n、/r/n半敞/r/n开。/r/n答案：/r/nB/r/n./r/n危急/r/n缺陷消除时间不得超过/r/n〇/r/n。/r/nA/r/n、/r/n24/r/n小/r/n时;/r/nB/r/n、/r/n48/r/n小/r/n时;/r/nG/r/n72/r/n小/r/n时；/r/nD/r/n、/r/n一/r/n周。/r/n答案：/r/nA/r/n./r/n直接接触设备的电气测/r/n量,/r/n应/r/n〇。/r/nA/r/n、/r/n单独进/r/n行;/r/nB/r/n、/r/n两人进/r/n行;/r/nC/r/n、/r/n有人/r/n监护;/r/nD/r/n、/r/n专人操作。/r/n答案:/r/nC/r/n109/r/n.低压封闭母线安装,封闭母线应按设计和产品技术文件规定进行组装,组装前应对每段进行/r/n()/r/n的测/r/n定,/r/n测量结果应符合设计要求。/r/nA/r/n、/r/n直流电/r/n阻;/r/nB/r/n、/r/n绝缘电阻;/r/nC/r/n、/r/n耐压强/r/n度;/r/nD/r/n、/r/n机械强/r/n度。/r/n答案:/r/nB/r/n110/r/n.在试验和推/r/n广/r/n新技术、新エ艺ゝ新设备、新材料的同/r/n时,/r/n应制定相应的/r/n()，/r/n经本单位批准后执行。/r/nA/r/n、/r/n组织措/r/n施;/r/nB/r/n、/r/n技术措/r/n施;/r/nC/r/n、/r/n安全措/r/n施;/r/nD/r/n、/r/n应急措/r/n施。/r/n答案：/r/nC/r/n./r/n绝缘导线缠绕绑线应采/r/n用/r/n不/r/n小于/r/n2.5mm2/r/n的/r/n()/r/n。/r/nA/r/n、/r/n帮扎带;/r/nB/r/n、/r/n单股塑铜线;/r/nC/r/n、/r/n裸导线;/r/nD/r/n、/r/n绳/r/n子。/r/n答案：/r/nB/r/n./r/n关于人工呼吸的描述错误的是/r/n〇。/r/nA/r/n、/r/n可以采用/r/n口对/r/n口人工呼吸;/r/nB/r/n、/r/n可以采用/r/n口对/r/n鼻人工呼吸;/r/nC/r/n、/r/n用最大的气/r/n量/r/n吹/r/n气;/r/nD/r/n、/r/n吹气后应检查吹气效果。/r/n答案:/r/nc/r/n./r/n带电更换耐张绝缘子串紧线工具一般选用/r/n()。/r/nA/r/n、/r/n绝缘紧线/r/n器;/r/nB/r/n、/r/n金属双钩;/r/nC/r/n、/r/n链条/r/n葫芦;/r/nD/r/n、/r/n金属紧线/r/n器。/r/n答案:/r/nA/r/n./r/n当线圈中的电流/r/n()/r/n时,线圈两端产生自感电动势。/r/nAv/r/n变化/r/n时;/r/nBv/r/n不变时;/r/nCv/r/n很大时；/r/nDv/r/n很小时。/r/n答案:/r/nA/r/n./r/n平面图形的分析包括/r/n()。/r/nAv/r/n尺寸分析和线段分析;/r/nBv/r/n图形/r/n分析和线型分析；/r/nCv/r/n画法分析和线型分析;/r/nDv/r/n线段分析和连接分析。/r/n答案：/r/nA/r/n./r/n工作许可人在接到所有工作负责人(包括用户)的终结报告,并确认所有工作已完毕,所有/r/n()/r/n已撤/r/n离,/r/n所有接地线已拆除,与记录簿核对无误并做好记录后,方可下令拆除各侧安全措施。/r/nAv/r/n工作许可人;/r/nBv/r/n小组负责人;/r/nCv/r/n工作票签发人;/r/nDv/r/n工作人员。/r/n答案：/r/nD/r/n./r/n10kV/r/n电カ电缆绝缘电阻应不低于/r/n()MQ/r/n。/r/nAv/r/n200;/r/nB/r/n、/r/n300;/r/nG400;/r/nD/r/n、/r/n500/r/n〇/r/n答案:/r/nA/r/n118./r/n绝缘子擦干后,应逐个用/r/n2500V/r/n兆欧表进行绝缘测定,其绝缘电阻不得/r/n小/r/n于/r/n()/r/nMQo/r/n300;/r/n500;/r/n700;/r/n1000o/r/n答案:/r/nB/r/n119./r/n()/r/n是经过运行考验,技术状况良好,能保证在满负荷下安全供电的设备。/r/nA/r/n、/r/n一类设备;/r/nB/r/n、/r/n二类设备;/r/nG/r/n三类设备;/r/nD/r/n、/r/n四类设备。/r/n答案：/r/nA/r/nー张工作票中,同时有检修和试验时,试验前应得到/r/n()/r/n的同意。/r/nA/r/n、/r/n试验负责人;/r/nB/r/n、/r/n工作负责人;/r/nC/r/n、/r/n调度/r/n同意;/r/nD/r/n、/r/n工作许可人。/r/n答案：/r/nB/r/n.拆除杆上导线前,应检查/r/n(),/r/n做好防止倒杆措施,在挖坑前应先绑好拉绳。/r/nA/r/n、/r/n卡盘；/r/nB/r/n、/r/n拉线;/r/nC/r/n、/r/n埋深；/r/nD/r/n、/r/n杆根。/r/n答案：/r/nD/r/n./r/n采用旁路作业方式进行电缆线路不/r/n停/r/n电作业时,旁路电缆两侧的环网柜等设备均应带断路器(开关)/r/n,/r/n并预留备用间隔。负荷电流应/r/n()旁/r/n路系统额定电流。/r/nA/r/n、/r/n大/r/n于;/r/nB/r/n、/r/n等于;/r/nC/r/n、/r/n小于;/r/nD/r/n、/r/n不小于。/r/n答案:/r/nC/r/n./r/n在感性负载的两端并联容性设备是为了/r/n()。/r/nA/r/n、/r/n增加电路无功功/r/n率;/r/nB/r/n、/r/n减少负载有功功/r/n率;/r/nC/r/n、/r/n提/r/n高/r/n负载功/r/n率因数;/r/nD/r/n、/r/n提高整个电路的功率因数。/r/n答案:/r/nD/r/n./r/n运载超长、超高或重大物件时,物件重心应与车厢承重中心基本一致,超长物件尾部应设/r/n()。/r/nA/r/n、/r/n标志;/r/nB/r/n、/r/n红灯；/r/nC/r/n、/r/n黄灯；/r/nD/r/n、/r/n防护措施。/r/n答案：/r/nA/r/n./r/n柱上断路器停电操作完成后,应悬挂/r/n()/r/n警示牌。/r/nA/r/n、/r/n严禁合闸，线路有人工作;/r/nB/r/n、/r/n不要合闸,线路有人工作;/r/nC/r/n、/r/n止步有电危险;/r/nD/r/n、/r/n禁止合闸,线路有电。/r/n答案：/r/nA/r/n.柱上负荷开关主回路直流电阻试验数据与初始值相差大于等于/r/n()％/r/n属于一般缺陷。/r/nA/r/n、/r/n20;/r/nB/r/n、/r/n30;/r/nC/r/n、/r/n40;/r/nD/r/n、/r/n50/r/n〇/r/n答案:/r/nA/r/n./r/n进行心肺复苏法时,如有担架搬运伤员,应该持续做心肺复苏,中断/r/n时/r/n间不超/r/n过/r/n()So/r/nA/r/n、/r/n5./r/n0;/r/nB/r/n、/r/n10.0;/r/nC/r/n、/r/n30.0;/r/nD/r/n、/r/n60,/r/n〇〇/r/n答案:/r/nA/r/n./r/n在全部或部分带电的运行屏(柜)上工作,应将检修设备与运行设备以/r/n〇/r/n隔开。/r/nA/r/n、/r/n红线;/r/nB/r/n、/r/n明显的标志;/r/nC/r/n、/r/n绝缘/r/n隔板;/r/nD/r/n、/r/n布带。/r/n答案：/r/nB/r/n./r/n对于敷设于土壤的电カ电缆,选择截面时,规定的标准敷设温度为/r/n()。/r/nA/r/n、/r/n20;/r/nB/r/n、/r/n25;/r/nC/r/n、/r/n30;/r/nD/r/n、/r/n35/r/n〇/r/n答案：/r/nB/r/n./r/n在室外制作电缆终端与接头时,其空气相对湿度宜为/r/n()。/r/nA/r/n、/r/n60%/r/n及以下;/r/nB/r/n、/r/n75%/r/n及以下;/r/nG/r/n70%/r/n及以下;/r/nD/r/n、/r/n80%/r/n及以下。/r/n答案：/r/nC/r/n./r/n电缆导线截面积的选择是根据/r/n()/r/n进行的。/r/nA/r/n、/r/n额定电/r/n流;/r/nB/r/n、/r/n传输/r/n容量;/r/nC/r/n、/r/n短路/r/n容量;/r/nD/r/n、/r/n传输/r/n容量/r/n及短路/r/n容量。/r/n答案:/r/nD/r/n./r/n开关柜安装时,每个接线/r/n端子/r/n每侧接线宜为/r/n0,/r/n不得超过/r/n〇/r/n。/r/n每一根芯线接入端子前应有完整的标识,正面写电缆号及回路编号,侧面写所在位置端子号。芯线标识应用线号机打印,不能手写,并清晰完/r/n整。/r/nA/r/n、/r/n1/r/n根,/r/n2/r/n根;/r/nB/r/n、/r/n1/r/n根,/r/n3/r/n根;/r/nC/r/n、/r/n2/r/n根,/r/n3/r/n根;/r/nD/r/n、/r/n1/r/n根,/r/n4/r/n根。/r/n答案:/r/nA/r/n./r/n绝缘材料发生绝缘性能随时间/r/n〇/r/n的现象称为绝缘老化。/r/nA/r/n、/r/n不降;/r/nB/r/n、/r/n不可逆下降;/r/nC/r/n、/r/n缓慢/r/n下降;/r/nD/r/n、/r/n很快下降。/r/n答案：/r/nB/r/n./r/n判断/r/n口对/r/n口人工呼吸法是否有效,首先观察患者/r/n〇。/r/nA/r/n、/r/n口唇紫组是否/r/n改善;/r/nB/r/n、/r/n瞳孔是否缩/r/n小;/r/nC/r/n、/r/n胸腹部是否起伏;/r/nD/r/n、/r/n剑突下是否隆起。/r/n答案：/r/nC/r/n./r/n柱上/r/n开/r/n关安装,下列说法错误的是/r/n()/r/n。/r/nA/r/n、/r/n柱上开关水平倾斜不大于托架长度的/r/n1/100;/r/nB/r/n、/r/n引线连接紧密，引线相间距/r/n离/r/n不小于/r/n300mm,/r/n对杆塔及构件距/r/n离/r/n不小于/r/n200mm;/r/nC/r/n、/r/n同杆上装设两台及以上断路器或熔断器时,每台应有各自标识;/r/nD/r/n、/r/n操作机构应灵活,分合动作正确可靠,指示清晰。/r/n答案:/r/nC/r/n./r/n配电变压器油箱漏油属于。/r/n。/r/nA/r/n、/r/n危急缺陷;/r/nB/r/n、/r/n严重缺陷;/r/nC/r/n、/r/n一/r/n般缺陷;/r/nD/r/n轻微缺陷。/r/n答案:/r/nA/r/n./r/n每年()前应对防雷设施进行防雷检查和维护,修复损坏的防雷引线和接地装置,检查有无防雷措施缺失及防雷改进措施的落实情况。/r/nA/r/n、/r/n雷雨季节;/r/nB/r/n、/r/n台风季节；/r/nC/r/n、/r/n春节;/r/nD/r/n、/r/n农忙。/r/n答案：/r/nA/r/n.10kV/r/n带电作业绝缘遮蔽用具的预防性试验方法是加压/r/n()kV,/r/n试验时间为/r/n1mi/r/nn/r/n。/r/nA/r/n、/r/n20;/r/nB/r/n、/r/n45;/r/nC75;/r/nD/r/n、/r/n100o/r/n答案：/r/nA/r/n./r/n绝缘手套作业法带电立、撤杆作业,新钢丝绳使用前,应以破断拉力的/r/n0/r/n倍做吊荷试验,时间为/r/n15min/r/n。/r/nAv/r/n4;/r/nB/r/n、/r/n3;/r/nC'2;/r/nD'/r/n1/r/nO/r/n答案:/r/nc/r/n./r/n敷设电缆时在终端头和中间头附近,应留有/r/n0m/r/n的备用长度。/r/nA/r/n、/r/n0./r/n5/r/n〜/r/n1./r/n5;/r/nB/r/n、/r/n1/r/n.〇/r/n〜/r/n1.5;/r/nC/r/n、/r/n1.5/r/n〜/r/n2.0;/r/nD/r/n、/r/n2./r/n0~2.5/r/n〇/r/n答案:/r/nB/r/n.巡视瓷质绝缘子时,应检查有无损伤、裂纹和〇痕迹。/r/nA/r/n、/r/n过热;/r/nB/r/n、/r/n跑线;/r/nC/r/n、/r/n开裂;/r/nD/r/n、/r/n闪络。/r/n答案:/r/nD/r/n./r/n电カ设备接地引下导线和埋入地中的金属接地体之和称为/r/n()。/r/nA/r/n、/r/n接地线;/r/nB/r/n、/r/n接地体;/r/nC/r/n、/r/n接地/r/n装置;/r/nD/r/n、/r/n接地系统。/r/n答案：/r/nC/r/n.低压电气工作时,拆开的引线ゝ断开的线头应采取/r/n()/r/n等遮蔽措施。/r/nA/r/n、/r/n胶带包/r/n裹;/r/nB/r/n、/r/n绝缘包/r/n裹;/r/nC/r/n、/r/n帆布遮/r/n盖；/r/nD/r/n、/r/n剪断包裹。/r/n答案：/r/nB/r/n./r/n6kV/r/n及以上的电缆一般都有导体屏蔽层和/r/n()/r/n层。/r/nA/r/n、/r/n装铠层；/r/nB/r/n、/r/n内护层;/r/nC/r/n、/r/n绝缘屏蔽;/r/nD/r/n、/r/n外/r/n护层。/r/n答案:/r/nC/r/n./r/n交联聚乙烯绝缘电缆的电树枝现象的特点是/r/n〇。/r/nA/r/n、树枝少且较/r/n粗;/r/nB/r/n、/r/n树枝连续/r/n清晰;/r/nC/r/n、/r/n树枝密集且不/r/n连续;/r/nD/r/n、/r/n树枝分散/r/n答案:/r/nB/r/n.一回线路检修/r/n（施工）,/r/n若配合/r/n停/r/n电线路属于/r/n其他单/r/n位,应由/r/n（）/r/n单位事先书面申请,经配合停电线路的运维管理单位/r/n同意/r/n并实施停电、验电、/r/n接地。/r/nA/r/n、/r/n运维;/r/nB/r/n、/r/n施工;/r/nC/r/n、/r/n检修;/r/nD/r/n、/r/n检修/r/n（施工）。/r/n答案：/r/nD/r/n./r/n在工作地点/r/n或/r/n检修的配电设备上悬挂/r/n（）/r/n标示牌；/r/nA/r/n、/r/n“在/r/n此/r/n工作!”；/r/nB/r/n、/r/n“从此进/r/n出!”；/r/nC/r/n、/r/n“禁止/r/n合闸,有人/r/n工作!”；/r/nD/r/n、/r/n“止步,高压危险!”/r/n。/r/n答案：/r/nA/r/n./r/n避雷器更换/r/n前,/r/n检测/r/n1mA/r/n直流参考电压,/r/n其/r/n值/r/n不/r/n低于出厂值的/r/n〇%。/r/nA/r/n、/r/n96;/r/nB/r/n、/r/n97;/r/nC/r/n、/r/n98;/r/nD/r/n、/r/n99/r/n〇/r/n答案：/r/nB/r/n./r/n电缆施工完成后应将穿越过的孔洞进行封/r/n堵,/r/n以达到防水、/r/n（）/r/n和防小动物的要求。/r/nA/r/n、/r/n防雨;/r/nB/r/n、/r/n防火;/r/nC/r/n、/r/n防盗;/r/nD/r/n、/r/n防潮。/r/n答案:/r/nB/r/n./r/n三芯交联聚乙烯铠装电缆最小曲率半径为/r/n()/r/n电缆外径。/r/nA/r/n、/r/n10/r/n倍;/r/nB/r/n、/r/n15/r/n倍;/r/nG/r/n20/r/n倍;/r/nD/r/n、/r/n25/r/n倍。/r/n答案:/r/nB/r/n./r/n()/r/n主要用于拉线抱箍与楔形线夹之间的连接。/r/nA/r/n、/r/n延长环；/r/nB/r/n、/r/nUT/r/n形线夹;/r/nC/r/n、/r/n刚线卡;/r/nD/r/n、/r/nU/r/n形挂环。/r/n答案：/r/nA/r/n.避雷器连接引线应采用绝缘导线,截面积不应小于:铝线/r/n0mm2/r/n。/r/nA/r/n、/r/n16;/r/nB/r/n、/r/n25;/r/nC/r/n、/r/n35;/r/nD/r/n、/r/n50/r/n〇/r/n答案：/r/nC/r/n.一台型号为/r/nS—160/10/r/n的配电变压器,二次侧额定电压为/r/n380V/r/no/r/n该变压器的一次侧线电流的额定值为/r/n0A/r/n。/r/nA/r/n、/r/n4./r/n21/r/n;/r/nB/r/n、/r/n9./r/n23;/r/nC/r/n、/r/n16;/r/nD/r/n、/r/n17./r/n32/r/n〇/r/n答案:/r/nB/r/n./r/n有二个电容器,其电容量分别为/r/nC1=4/r/nロ/r/nF,C2=6/r/nn/r/nF,/r/n串接后接于/r/n120V/r/n直流电源上,它们的总电容为/r/n()/r/nuFo/r/nA/r/n、/r/n2./r/n1;/r/nB/r/n、/r/n2.2;/r/nC/r/n、/r/n2./r/n3;/r/nD/r/n、/r/n2.4/r/nO/r/n答案:/r/nD/r/n.配电线路应避开储存易燃、易爆物的仓库区域。配电线路与有火灾危险性的生产厂房和库房、易燃易爆材料场以及可燃或易燃、易爆液(气)体储罐的防火/r/n间/r/n距不应小于杆塔高度的/r/n〇倍。/r/nAv0.8;/r/nB/r/n、/r/n1.0;/r/nG/r/n1.2;/r/nD/r/n、/r/n1/r/n./r/n5/r/n〇/r/n答案：/r/nD/r/n./r/n在带电作业过程中,值班调控人员或运维人员发现相关设备故障,应立即通知/r/n()。/r/nA/r/n、/r/n工作票签发人;/r/nB/r/n、/r/n工作许可人;/r/nC/r/n、/r/n工作监护人;/r/nD/r/n、/r/n工作负责人。/r/n答案：/r/nD/r/n./r/n下列属于冷却灭火方法的是/r/n()。/r/nA/r/n、/r/n用水灭火;/r/nB/r/n、/r/n用灭火毯灭火;/r/nC/r/n、/r/n搬/r/n离可燃物;/r/nD/r/n、/r/n密闭起火孔洞。/r/n答案：/r/nA/r/n./r/n由工作班组现场操作时,若不填用操作票,应将设备的双重名称,/r/n()/r/n及操作内容等按操作顺序填写在工作票上。/r/nA/r/n、/r/n设备名称和编号;/r/nB/r/n、/r/n线路的名称、杆/r/n号、位置;/r/nC/r/n、/r/n双重/r/n称号;/r/nD/r/n、/r/n设备名称。/r/n答案:/r/nB/r/n.作业人员工作中正常活动范围与/r/n10kV/r/n高压线路、设备带电部分的安全距/r/n离/r/n为/r/n()/r/n米。/r/nA/r/n、/r/n0./r/n35;/r/nB/r/n、/r/n0./r/n6;/r/nC/r/n、/r/n0.7;/r/nD/r/n、/r/n1.0o/r/n答案:/r/nA/r/n./r/n操作柱上断路器时,应有防止断路/r/n器()/r/n时伤人的措施。/r/nA/r/n、/r/n爆炸;/r/nB/r/n、/r/n气体泄/r/n漏;/r/nC/r/n、/r/n套管断裂脱落;/r/nD/r/n、/r/n断路/r/n器/r/n脱落。/r/n答案：/r/nA/r/n.铁路、公路平行敷设的电缆管,距路轨或路基应保持在/r/n()/r/n远。/r/nA/r/n、/r/n1./r/n5m;/r/nB/r/n、/r/n2.0m;/r/nC/r/n、/r/n2.5m;/r/nD/r/n、/r/n3.0m/r/no/r/n答案：/r/nD/r/n./r/n上树时,应使用安全带,安全带不得系在待砍剪树枝的/r/n()/r/n附近或以上。不得攀抓脆弱和枯死的树枝;不得攀登已经锯过或砍过的未断树木。/r/nA/r/n、/r/n茎部;/r/nB/r/n、/r/n断口;/r/nC/r/n、/r/n枝/r/nY；/r/nD/r/n、/r/n根部。/r/n答案:/r/nB/r/n./r/n避雷器连接引线应采用绝缘导线,截面积不应小于:铜线/r/n()/r/nmm2/r/n〇/r/nA/r/n、/r/n16;/r/nB/r/n、/r/n25;/r/nC/r/n、/r/n35;/r/nD/r/n、/r/n50/r/n〇/r/n答案:/r/nB/r/n./r/n三个阻值相等的电阻串联时的总电阻是并联时总电阻的/r/n0/r/n倍。/r/nA/r/n、/r/n6;/r/nB/r/n、/r/n9;/r/nC/r/n、/r/n3;/r/nD/r/n、/r/n12/r/n〇/r/n答案：/r/nB/r/n./r/n有一个电路,所加电压为/r/nU,/r/n当电路中串联接入电容后,若仍维持原电压不变,电流增加了,则原电路是/r/n()/r/n的。/r/nA/r/n、/r/n感性；/r/nB/r/n、/r/n阻/r/n性；/r/nC/r/n、/r/n容/r/n性;/r/nD/r/n、/r/n不确定。/r/n答案：/r/nA/r/n./r/n()/r/n避雷器基本无续流。/r/nA/r/n、/r/n普通阀/r/n型;/r/nB/r/n、/r/n磁吹阀/r/n型;/r/nC/r/n、/r/n管/r/n型;/r/nD/r/n、/r/n金属/r/n氧/r/n化物。/r/n答案：/r/nD/r/n.变压器联线时裸露带电部分宜进行/r/n()。/r/nA/r/n、/r/n悬空处/r/n理;/r/nB/r/n、/r/n隔离处/r/n理;/r/nC/r/n、/r/n绝缘处/r/n理;/r/nD/r/n、/r/n悬挂警示牌。/r/n答案:/r/nC/r/n./r/n10kV/r/n电缆分支箱安/r/n装,/r/n安装完成后应对箱内机械部件和电气部件进行/r/n调试,/r/n并进行绝缘试验ゝエ频耐压试验、/r/n主/r/n回路电阻测/r/n量/r/n及/r/n()。/r/nA/r/n、/r/n核相测试;/r/nB/r/n、/r/n直流耐压/r/n测试;/r/nC/r/n、/r/n泄露电流/r/n测试;/r/nD/r/n、/r/n接地电阻测/r/n量。/r/n答案:/r/nD/r/n.不/r/n属于杆塔、导线和基础维护内容的是/r/n〇:/r/nA/r/n、/r/n修复符合/r/nD/r/n类检修的杆塔埋深不足和基础沉/r/n降;/r/nB/r/n、/r/n补装、紧固塔材螺栓、非承カ缺失部件;/r/nC/r/n、/r/n清除导线ゝ杆塔本体异物;/r/nD/r/n、/r/n更换断裂的电杆。/r/n答案：/r/nD/r/n.工作许可/r/n时,/r/n工作票ー份由工作负责人收执,其余留存于/r/n()/r/n处。/r/nA/r/n、/r/n工作票签发人或专责监护人；/r/nB/r/n、/r/n工作/r/n票/r/n签发人或工作许可人；/r/nC/r/n、/r/n工作许可人或用户负责人；/r/nD/r/n、/r/n工作许可人或专责监护人。/r/n答案：/r/nB/r/n.带负荷更换柱上断路/r/n器/r/n作业,带电短接断路/r/n器,/r/n应/r/n(),/r/n方可短/r/n接。/r/nA/r/n、/r/n检查断路/r/n器/r/n良好,安全距离符合/r/n要求;/r/nB/r/n、/r/n取下合闸回路熔断器,派专人监护；/r/nC/r/n、/r/n在断路器处于合闸位置,并取下跳闸回路熔断器,锁死跳闸机构；/r/nD/r/n、/r/n在断路器处于分闸位置。/r/n答案:/r/nC/r/n./r/n居民区内,架空线路对地最小距离不应小于/r/n〇/r/n米。/r/nA/r/n、/r/n5;/r/nB/r/n、/r/n5.5;/r/nC/r/n、/r/n5;/r/nD/r/n、/r/n6./r/n5/r/n〇/r/n答案:/r/nD/r/n.带电/r/n断、/r/n接电缆引线前应/r/n()。/r/nA'/r/n检查相序并做好标志;/r/nB'/r/n检查相/r/n序;/r/nC'/r/n做好标/r/n志;/r/nD'/r/n设置专责监护人。/r/n答案：/r/nA/r/n./r/n目前电缆线路的预防性试验和交接验收试验一般采/r/n用/r/n的项目是/r/n()/r/n试验。/r/nA'/r/n交流耐压;/r/nB'/r/n直流耐压;/r/nC'/r/n绝缘电/r/n阻;/r/nD'/r/n泄漏电/r/n流。/r/n答案：/r/nA/r/n./r/n现场应/r/n急/r/n救护的目的包括挽救生命、防止恶化和/r/n0/r/n。/r/nA/r/n、/r/n保证/r/n安全;/r/nB/r/n、/r/n防止/r/n感染;/r/nC/r/n、/r/n心理支持;/r/nD/r/n、/r/n促进/r/n恢复。/r/n答案：/r/nD/r/n./r/n进入作业现场应正确/r/n佩/r/n戴安全/r/n帽,/r/n现场作业人员还应穿/r/n()/r/n、绝缘/r/n鞋。/r/nA/r/n、/r/n绝缘服；/r/nB/r/n、/r/