2022年上半年陕西省电机装配工：电工特种作业操作证考试试题.pdf

2015 年上半年陕西省电机装配工：电工特种作业操作证考试试题本卷共分为 2 大题 50 小题，作答时间为180 分钟，总分 100 分，60分及格。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、用普通示波器观测一波形，荧光屏显示由左向右不断移动的不稳定波形时，应当调整 _旋钮。AX 位移B扫描范围C整步增幅D同步选择2、并励绕组励磁绕组的电流密度可在_的范围内选取。A35A/mm2 B58A/mm2 C810A/mm2 D1115A/mm2 3、电动机铁芯槽作成斜槽的目的是（）。A消除齿谐波B加强通风C减少振动4、线圈进行局部处理，通常采用的方法不包括：_。A加强绝缘法B跳接法C穿烧修补法D电压法5、_主要由螺杆、螺母和机架组成。A齿轮传动B螺纹传动C螺旋传动D链传动6、定子铁心外圆与机座采用_和定位螺钉，将定子铁心固定于机座内。A间隙配合B过盈配合C过渡配合D机械配合7、波绕组通常用在直流电机和异步电机的_上，波绕组的一端与叠绕组相似，但它的另一端就直接作为线圈间的连接线与另一个极面下的线圈端线串接，可省去极间连接。A定子B转子C凸极D隐极8、职业道德规范的特点之一是职业道德在调节范围上主要用来_人员。A鼓励管理B鼓励从业C约束管理D约束从业9、叠绕组线圈嵌线前，应先确认电枢铁心基准槽及其所对准的_云母片中心，在电枢槽或换向片上编号，以便于嵌线。A转相器B换向器C换相器D转相器10、端盖加工的一次装夹工艺能保证_和止口的同轴度，但粗、精车不分，工件热变形较难控制。A轴承室B接线盒C地脚平面D转速11、带传动是由传动带和 _组成的。A带轮B链条C齿轮D齿条12、正等测轴测图各轴向变形系数都按_来绘制，此时各轴都放大了1.22 倍。A1:0.82 B1:0.9 C1:1 D1:1.22 13、_是由链条和具有特殊齿形的链轮组成的传递运动和动力的传动。A齿轮传动B链传动C螺旋传动D带传动14、电机绝缘结构按耐热性分为A、E、B、F、_五个耐热等级。AH BC CD DG 15、绕组绝缘结构设计的内容不包括_。A防晕措施B材料的选择C绝缘厚度的确定D增压速度16、表面淬火用钢一般是中碳钢或_。文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 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ZB7G3Y9U8I7A中碳合金钢B高碳合金钢C低碳合金钢D高碳钢17、同步电动机的型式试验项目有：同步电动机和调相机的堵转电流测定，同步电动机的堵转转矩测定、_转矩测定、短时过转矩试验等。A额定B正常C最大D最小18、笼型转子采用钎焊时，钎焊的加热方式有_感应加热。A低频B中频C高频D超高频19、为了安全，机床照明、移动的手持行灯都采用_以下的电压。A48V B36V C24V D14V 20、导线在磁场中运动，运动方向与磁力线方向垂直时感应电势大小_ A最小B最大C0 21、流过两个串联的电阻的电流均为5A，则总电流，=_。A5A B10A C1A D25A 22、由于异步电动机在起动和运行时，其离心力、电磁力、热应力较大，特别是（）难以计算和预测，从而引起笼条的疲劳裂纹。A离心力B热应力C电磁力23、链传动平稳性好，故噪声较小。_ 24、电磁调速异步电动机构成部分之一为_。A控制器B绕线转子异步电动机C推力轴承D阻尼轴承25、单相异步电动机按照给定的定子铁心应量出外径、内径、铁心长度、_、槽底外径处距离以及槽形尺寸等。A绕组槽数B定子宽度文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 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ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7C转子槽数D定子槽数二、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、空间直角坐标轴测投影面的投影均称为_，每相邻两轴测间的夹角称为轴间角。A横轴B纵轴C坐标轴D轴测轴2、非线性半导体漆的电阻率随电场强度的_，因而可使电场畸变处的电位分布均匀，防止电晕发生。A升高而降低B升高而增加C变化而降低D变化而增加3、（）是金属材料抵抗冲击力的作用而不被破坏的能力。A冲击韧性B冲击功C冲击值4、为保证电气检修工作的安全，判断设备有无带电应_。A以设备已断开的信号为设备有无带电的依据B以设备电压表有无指示为依据C以设备指示灯为依据，绿灯表示设备未带电D通过验电来确定设备有无带电5、下列属于我国规定的安全电压等级的为_。A32V B20V C16V D12V 6、对要求较高的低压电机真空压力，浸渍漆用的真空浸漆设备，其真空度最高为_。A270400Pa B13302660Pa C15302760Pa D25303760Pa 7、在劳动过程中要求职工必须遵守的行为准则称为_。A劳动纪律B群众纪律C人事纪律D财经纪律8、将三相负载的一端分别接在三相电源的端线上，另一端_的接法称为三相负载的星形联结。文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 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ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7A都接在中性线上B接在端线上C互不连接D交叉连接9、对绕制好的电机线圈，应检查_符合要求后方可进行嵌线。A尺寸、焊点、导线B材料、尺寸、直流电阻C尺寸、匝数、直流电阻D匝数、焊点、导线10、计算电枢绕组导体截面积时，支路电流ia 与电枢电流 IaN、并联支路数2a的关系是 _。Aia=2aIaN Bia=aIaN Cia=IaN/2a Dia=IaN/a 11、感应法是确定电刷中性位置最常用的方法，当电枢静止时，_，如果毫伏表上指针几乎不动，这时电刷的位置就是中性位置。A接通和断开开关的瞬间B合上开关后C断开开关后D合上或断开开关后12、直流电机的电枢主要由轴、电枢铁心、电枢_、电枢绕组、换向器和风扇等组成。A压板B户套C端盖D支架13、用直流单臂电桥测量电感线圈的直流电阻时，应_。A先按下电源按钮，再按下检流计按钮B先按下检流计按钮，再按下电源按钮C同时按下电源按钮和检流计按钮D随意按下电源按钮和检流计按钮14、根据有关技术文件的规定，对电机的重要零部件在成品装配前所做的试验称为_。A半成品试验B成品试验C过程试验D型式试验15、工步切削用量的内容不包括_。A切削时间B切削速度C背吃刀量D进给量16、通电导体周围存在着磁场，电流磁场的判定可以用_判定。文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 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_设计任务书，以满足零件加工要求。A工装B模具C刀具D量具24、205t 桥式起重机零位效验时，把凸轮控制器置“零 位。短接 KM 线圈，用万用表测量 L1-L3-当按。当按下启动按钮SB 时应为（）状态。文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 ZB7G3Y9U8I7文档编码:CH9S1Z7B8S6 HL5K10J5L3X1 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