2022年山西省电气控制考试试题.pdf

2016 年山西省电气控制考试试题一、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、硅稳压管加正向电压时，_。A立即导通B超过 0.3V 导通C超过死区电压导通D超过 1V 导通2、管内配线时，管内导线一般不允许超过10 根，同一根线管内不允许穿 _或不同电能表的导线。A相同电流B不同电流C相同电压D不同电压3、硅稳压管稳压电路中，若稳压管稳定电压为10V，则负载电压为 _。A等于 10V B小于 10V C大于 10V D无法确定4、保护接零的有效性是当设备发生故障时_使保护装置动作。A过载电压B额定电压C短路电流D接地电流5、JWK 经济型数控机床通过编程指令可实现的功能有_。A返回参考点B快速点定位C程序延时D以上都是6、电磁离合器的文字符号是_。AYH BYT CYL DYC 7、20/5t 桥式起重机连接线必须采用_。A铜芯多股软线B橡胶绝缘电线C护套线D塑料绝缘电线8、三相交流异步电动机旋转方向由_决定。A电动势方向B电流方向C频率D旋转磁场方向9、下列污染形式中不属于生态破坏的是_。A森林破坏B水土流失C水源枯竭D地面沉降10、塑料护套线适用于潮湿和有腐蚀性的特殊场所，室内明敷时，离地最小距离不得低于 _m。A0.15%B1.5 C2 D2.5 11、触发脉冲信号应有一定的宽度，脉冲前沿要陡。电感性负载一般是1ms，相当于 50Hz 正弦波的 _。A360B180C90D1812、JWK 经济型数控机床通过编程指令可实现的功能由_。A返回参考点B快速点定位C程序延时D以上都是13、电阻器反映导体对电流起阻碍作用的大小，简称_。A电动势B功率C电阻率D电阻14、数控系统程序数据保存不住，可直接检查后备电池、断电检测及切换电路、以及_。A震荡电路BCPU 及周边电路C存储器周边电路D地址线逻辑15、硅二极管正向导通，其管压降为_。A0.7V B0.3V C1V D0.1V 16、绘制电气原理图时，通常把主线路和辅助线路分开，主线路用粗实线画在辅助线路的左侧或 _。A上部文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1B下部C右侧D任意位置17、交流三相异步电动机的额定电流表示（）。A在额定工作时，电源输入电机绕组的线电流B在额定工作时，电源输入电机绕组的相电流C电机输出的线电流D电机输出的相电流18、在 NPN 型晶体三极管放大电路中，如将其基极与发射极短路，三极管所处的状态是（）。A截止B饱和C放大D无法判定19、脉冲整形主要由晶体管VT14、VT15 实现。当输入正脉冲时，VT14 由导通转为关断，而 VT15 由关断转为导通，在VT14 集电极输出 _脉冲。A方波B尖峰C触发D矩形20、在线路工作正常后，通以全电压、全电流_，以考核电路元件的发热情况和整流电路的稳定性。A0.5lh B12h C23h D34h 21、反复短时工作制的周期时间T10min，工作时间 tC_时，导线的允许电流由下述情况确定：截面小于6mm2 的铜线，其允许电流按长期工作制计算。A5min B10min C10min D4min 22、根据主轴控制梯形图下列指令正确的是（）。AORI31 BLD31 CLDI31 DOR31 23、绕制单相小型变压器线包层次是_。A原边绕组、静电屏蔽、副边高压绕组、副边低压绕组B副边高压绕组、副边低压绕组、静电屏蔽、原边绕组C原边绕组、静电屏蔽、副边低压绕组、副边高压绕组D原边绕组、副边绕组、静电屏蔽24、当检测信号超过预先设定值时，装置中的过电流、过电压保护电路工作，把移相控制端电压降为0V，使整流触发脉冲控制角自动移到_，三相全控整流桥文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1自动由整流区快速拉到逆变区。A60B90C120D15025、回转运动的定位精度和重复分度精度属于数控机床的_精度检验。A切削B几何C定位D联动二、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、F 系列可编程序控制器系统是由基本单元、_、编程序器、用户程序、写入器和程序存入器等组成。A键盘B鼠标C扩展单元D外围设备2、_六路双脉冲形成器是三相全控桥式触发电路中必备组件。AKC41C BKC42 CKC04 DKC39 3、三相鼠笼式异步电动机，当采用延边三角形起动时，每相绕组的电压_。A比 Y起动时大，比全压起动时小B等于全压起动时的电压C是全压起动时的3 倍D是全压起动时的1/3 倍4、下列电工指示仪表中若按仪表的测量对象分，主要有_等。A实验室用仪表和工程测量用仪表B功率表和相位表C磁电系仪表和电磁系仪表D安装式仪表和可携带式仪表5、当 LC 并联电路的固有频率等于电源频率时，并联电路发生并联谐振，此时并联电路具有（）。A.阻抗适中B.阻抗为零C.最小阻抗D.最大阻抗6、逆变电路为了保证系统能够可靠换流，安全储备时间 t必须大于晶闸管的 _。A引前时间B关断时间C换流时间文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1Dtf-tr 7、在要求零位附近快速频繁改变转动方向时，位置控制要求准确的生产机械，往往用可控环流可逆系统，即在负载电流小于额定值 _时，让，人为地制造环流，使变流器电流连续。A1%5%B5%10%C10%15%D15%20%8、以最高进给速度运转时，应在全行程进行，分别往复_。A1 次和 5 次B2 次和 4 次C3次和 2 次D4 次和 1 次9、端面铣刀铣平面的精度属于数控机床的_精度检验。A切削B定位C几何D联动10、_属于无源逆变。A绕线式异步电动机串极凋速B高压直流输电C交流电动机变速调速D直流电动机可逆调速11、阅读 C522 型立式车床控制原理图时要先看_。A主电路B辅助电路C照明电路D整流电路12、F 系列可编程序控制器中回路串联连接用_指令。AAND BANI CORB DANB 13、根据工件松开控制梯形图下列指令正确的是（）。AAND07、LD30 BLD07、AND30 CLDI07、AND30 DAND07、AND30 14、感性负载（或电抗器）之前并联一个二极管，其作用是_。A防止负载开路B防止负载过电流C保证负载正常工作D保证了晶闸管的正常工作15、触发脉冲信号应有一定的宽度，脉冲前沿要陡。电感性负载一般是1ms，相文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1当于 50Hz 正弦波的 _。A360B180C90D1816、劳动者的基本义务包括 _等。A遵守劳动纪律B获得劳动报酬C休息D休假17、电磁抱闸按动作类型分为_种。A2 B3 C4 D5 18、三相鼠笼式异步电动机带动电动葫芦的绳轮常采用_制动方法。A电磁抱闸B电磁离合器C反接D能耗19、_是数控系统的执行部分。A数控装置B伺服系统C测量反馈装置D控制器20、正确阐述职业道德与人的事业的关系的选项是_。A没有职业道德的人不会获得成功B要取得事业的成功，前提条件是要有职业道德C事业成功的人往往并不需要较高的职业道德D职业道德是人获得事业成功的重要条件21、桥式起重机的调速常采用_来实现。A串电抗B串频敏电阻器C凸轮控制器D变极调速22、三相两元件功率表常用于高压线路功率的测量，采用电压互感器和 _以扩大量程。A电压互感器B电流互感器C并联分流电阻D串联附加电阻23、西门子 SIN840C 控制系统的分辨率可达 _mm。A0.1 B0.01 文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1C0.001 D1 24、铁磁饱和式稳压器的基本结构与变压器相似，由硅钢片叠成二心柱式铁心，而心柱 2 工作在磁化曲线的 _段。A饱和B未饱和C过饱和D起始25、如图所示的电路中，b 点的电位是（）。A2V B0V C3V D-3V 文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 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ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1文档编码:CH4D1K10K9H3 HG7E9M5O7N9 ZK2Q7H3L8V1