【判断题】
连接零件是起连接作用的零件。连接零件的作用是把电气装置连接或接续在一起，起整体接触及关节性的作用
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相关试题
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改善零件表面物理状态的目的是降低其疲劳强度
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零件具有良好的结构工艺性，是指零件既能够方便地生产，又具有工作的适应性及适配性，但不便于装配和拆卸
【判断题】
支持装置的作用是支持接触悬挂，使其对地有一定的绝缘水平，并将其负荷传递给定位装置
【判断题】
定位装置将接触线在直线区段的“之”字力、曲线区段的垂直力及风力传递给腕臂
【判断题】
全补偿简单链形接触悬挂锚段中的承力索和接触线一端装设有补偿器
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接触导线具有良好的导电性能、耐磨性能、抗腐蚀性能及足够的塑性
【判断题】
计算接触网支柱负载确定支柱容量，采用校验计算法
【判断题】
直线上接触线“之”字力形成的负载属于水平负载
【判断题】
软横跨由站场两侧支柱和悬挂在支柱上的横向承力索上下部固定绳，软横跨直吊弦及支持和连接他们的零件组成
【判断题】
多股道接触悬挂通过横向线索悬挂在线路两侧的支柱上的装配方式称为软横跨
【判断题】
接触网是一种特殊形式的输电线路，为了保证供电的可靠性和灵活性，要进行电气分段
【判断题】
车梯固定架（如佩环），用于固定车梯底盘和框架档片；在有坚固栏杆的处所存放时，可借用栏杆锁住车梯底盘和框架档片。"
【判断题】
分段绝缘器与接触线的接头线夹处状态不良，会形成硬点致使受电弓打坏分段绝缘器
【判断题】
所有施工单位进入地铁轨行区施工且需挂设触网接地线的，必须购置上海地铁专用的接触网接地线及直流验电器，校验标贴齐全
【判断题】
更换分段绝缘器前，需用水平尺配合轨距尺测量分段绝缘器所在区域线路的轨面倾斜度，并作纪录
【判断题】
锚段主要作用是缩小事故范围，便于加装补偿装置，缩小因检修而停电的范围
【判断题】
锚段长度是架空接触网平面布置的重要依据，根据不同曲线半径的数值架空接触网划分出不同长度的锚段，不同的锚段通过锚段关节进行衔接，形成连续的架空接触网系统
【判断题】
确定锚段长度要考虑到由于恢复力而导致的接触线张力消耗
【判断题】
为实现电路上的联通，在锚段关节处需装电连接
【判断题】
三跨非绝缘锚段关节在曲线区段的拉出值随曲线半径不同而变化
【判断题】
接触网弓网间燃弧对环境产生影响，引起干扰并加大磨耗但却能保证电流的持续性
【判断题】
接触网抢修要遵循“先通后固”和“先通一线”的基本原则
【判断题】
接触网抢修作业必须办理停电作业命令和验电接地，方准开始作业
【判断题】
验电器是检验导线设备和电气设备是否带电的一种电工常用工具
【判断题】
装、拆触网接地线时必须二人进行，一人操作，一人监护
【判断题】
接触网大修是接触网设备的恢复性彻底修理
【判断题】
对接触网进行巡视有昼间步行巡视，夜间步行巡视，乘车巡视和登车梯巡视
【判断题】
接触轨：由不锈钢带通过机械方法与铝合金型材料结合而成的钢铝复合轨
【判断题】
接触网检测方式有动态检测，静态检测和在线检测
【判断题】
拉线应位于接触悬挂下锚支的延长线上，在任何情况下不得侵入限界
【判断题】
目前悬挂硬点的检测是采用在受电弓上安装加速度传感器
【判断题】
接触压力的检测是在受电弓滑条下面、受电弓托架上面加装检测装置
【判断题】
时挂设触网接地线的，挂设触网接地线之前必须重新验电。"
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I think he is a good lecturer.___
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C. Yes. It's a good idea
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— What's the matter, dear?___
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B. Pleased to meet you.
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___ I'd like to place an order please.
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- Shall we go out for dinner tonight?____
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- Thanks for the lovely party and the delicious food. ____
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