2022年山东省维修电工(技师)考试试题.pdf

2017 年山东省维修电工（技师）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、转矩极性鉴别器常常采用运算放大器经正反馈组成的_电路检测速度调节器的输出电压 Un。A多沿振荡B差动放大C施密特D双稳态2、电磁系测量机构的主要结构是_。A固定的线圈，可动的磁铁B固定的线圈，可动的铁片C可动的磁铁，固定的铁片D可动的线圈，固定的线圈3、设计者给定的尺寸，以 _表示轴。AH Bh CD Dd 4、电流流过负载时，负载将电能转换成_。A机械能B热能C光能D其他形式的能量5、交流电磁离合器的励磁电流与行程（）。A成正比B成反比C无关D平方成反6、对于电动机不经常起动而且起动时间不长的电路，熔体额定电流约等于电动机额定电流的 _倍。A0.5 B1 C1.5 D2.5 7、电流互感器是用来将 _。A大电流转换成小电流B高电压转换成低电压C高阻抗转换成低阻抗D电流相位改变8、在主轴 _调速范围内选一适当转速，调整切削量使之达到最大功率，机床工作正常，无颤振现象。A恒转矩B恒功率C恒电流D恒电压9、电焊变压器短路时，短路电流_。A不能过大B可以大一些C可以小D可以很小10、4 只 16的电阻并联后等效电阻为_。A64B16C4D811、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 12、低压电器元件在配电盘、箱、柜内的布局要求美观和安全，盘、柜内的二次回路配线应采用截面不小于_mm2的铜芯绝缘导线。A1 B1.5 C2.5 D4 13、按钮联锁正反转控制线路的优点是操作方便，缺点是容易产生电源两相短路事故。在实际工作中，经常采用按钮，接触器双重联锁_控制线路。A点动B自锁C顺序启动D正反转14、如果发电机的电流达到额定值而其电压不足额定值，则需_线圈的匝数。A减小淬火变压器一次B增大淬火变压器一次C减小淬火变压器二次D增大淬火变压器二次15、公差带出现了交叠时的配合称为_配合。A基准B间隙C过渡D过盈16、运行指示灯是当可编程序控制器某单元运行、_正常时，该单元上的运行指文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2示灯一直亮。A自检B调节C保护D监控17、回转工作台转 90。侧面铣刀铣削的直角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18、在电路工作正常后，通以全电压、全电流_，以考核电路元器件的发热情况和整流电路的稳定性。A0.51h B12h C23h D34h 19、在步进电动机驱动电路中，脉冲信号经 _放大器后控制步进电动机励磁绕组。A功率B电流C电压D直流20、用试灯检查电枢绕组对地短路故障时，因试验所用为交流电源，从安全考虑应采用 _电压。A36V B110V C220V D380V 21、三相异步电动机采用能耗制动时，当切断电源后，将_。A转子回路串入电阻B定子任意两相绕组进行反接C转子绕组进行反接D定子绕组送入直流电22、接地体多采用 _制成，其截面应满足热稳定和机械强度的要求。A任一种金属材料B铜铝材料C型钢D绝缘导线23、硅稳压管稳压电路中，若稳压管稳定电压为10V，则负载电压 _。A等于 10V B小于 10V C大于 10V D无法确定24、GP-100C3型高频设备中的保护措施有_。A过电流保护文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2B水压保护C水温保护D以上都是25、交流电焊机的铁心气隙 _。A比较大B比较小C不可调整D可以调整二、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、非独立励磁控制系统在 _的调速是用提高电枢电压来提升速度的，电动机的反电动势随转速的上升而增加，在励磁回路由励磁调节器维持励磁电流为最大值不变。A低速时B高速时C基速以上D基速以下2、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3、调整时，工作台上应装有_以上的额定负载进行工作台自动交换运行。A500/0 B40%C20%D10%4、部分电路欧姆定律反映了在_的一段电路中，电流与这段电路两端的电压及电阻的关系。A含电源B不含电源C含电源和负载D不含电源和负载5、_作为存放调试程序和运行程序的中间数据之用。A27256EPROM B62256RAM C2764EPROM D8255A 6、为了方便编程序和减少加工程序的执行时间，_应设在靠近工件的地方，在换刀前让刀架先退出一段距离以便刀架转位，转位完毕后，再按相同距离返回。A参考点B换刀点C坐标原点文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2D其他位7、如果线路上有人工作，停电作业时应在线路开关和刀闸操作手柄上悬挂_的标志牌。A止步、高压危险B禁止合闸，有人工作C在此工作D禁止合闸，线路有人工作8、类手持式电动工具的绝缘电阻不得低于_M。A0.5 B1 C2 D7 9、保护接地的主要作用是（）和减少流经人身的电流。A防止人身触电B减少接地电流C降低接地电压D短路保护10、在 CNC 中，数字地、模拟地、交流地、直流地、屏蔽地、小信号地和大信号地要合理分布。数字地和_应分别接地，然后仅在一点将两种地连起来。A模拟地B屏蔽地C直流地D交流地11、对于变压器耦合式振荡器电路，在振荡电路接通电源的瞬间，在集电极电路中激起一个微小的 _变化。A电容B电阻C电压D电流12、直流电压表的测量机构一般都是_仪表。A磁电系B电磁系C整流系D电动系13、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。A0.51h B12h C23h D34h 14、定时器相当于继电控制系统中的延时继电器。F-40 系列可编程序控制器最小设定单位为 _。A0.1s B0.2s 文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2C0.3s D0.4s 15、制造电机、电器的线圈应选用的导线类型是_。A电气设备用电线电缆B裸铜软编织线C电磁钱D橡套电缆16、测量线路对地电阻应大于_。A6MB5MC4MD3M17、制作直流电机主磁极铁心时，应优先选取的材料是_。A普通薄钢片或较厚的硅钢片B铁镍合金C厚度为 0.050.20mm 的硅钢片D铁铝合金18、X6132 型万能铣床作进给运动时，升降台的上下运动和工作台的前后运动完全由操纵手柄通过行程开关来控制，其中，用于控制工作台向后和向上运动的行程开关是 _。ASQ1 BSQ2 CSQ3 DSQ4 19、每个驱动器配备一套判频电路，它的作用是当步进电动机运行频率高于_步/s时，将自动把电动机绕组上的电压由+40V 换成+120V。A240 B740 C940 D1140 20、三相交流异步电动机额定转速_。A大于同步转速B小于同步转速C等于同步转速D小于转差率21、_回路的管线尽量避免与可编程序控制器输出、输入回路平行，且线路不在同一根管路内。A弱供电B强供电C控制D照明22、若反馈到输入端的是交流量，称为交流反馈，它能改善_的性能。A直流通路B交流通路文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 ZG7B3K5Q3D2文档编码:CM9P7R4R1S4 HK4T7E3G8U1 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