【判断题】
半补偿链形悬挂中，在极限温度范围内，吊弦在顺线路方向的偏斜角不得大于25°角。
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相关试题
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轨距“L”值系指钢轨轨顶下面15mm处的两轨之间的距离。
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调整曲线拉出值时，当m实为正且m实小于m标时，应使定位处接触线位置向內轨方向移动调整。
【判断题】
当普通线岔两支接触线中有一支为非工作支时，则非支投影与钢轨交叉点处抬高不小于300mm。
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复式交分线岔两导线交叉点垂直投影落在道岔的菱形块内，最佳位置是菱形块中心，可偏离长轴50mm、短轴50mm。
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接触网带电部分距固定接地物的空气绝缘距离困难情况下应不小于200mm。
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接触网无线电辐射干扰系指在正常供电情况下，接触网在一些金属件接触不良处或由于绝缘器材表面污秽等原因引起局部放电而产生的无线电辐射干扰。
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静电危险影响计算时，对于与电气化铁道接近的地下电缆和有金属护套接地的架空电缆，将不考虑其静电感应的影响。
【判断题】
当发现人员触高压电网时，如距开关较远，可采用抛挂短路线法，迫使电源开关跳闸。抛挂地点应在伤员的远离电源侧5m以外。
【判断题】
已知接触网某定位点接触线高度为6000mm，拉出值为400mm，外轨超高为60mm，则该定位点接触线的位置是接触线的投影位置，在线路中心至外轨间，距离线路中心150mm处。
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软横跨上用的球形和角形垫块能保证锚固拉杆有一定的水平位移。
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当受条件限制时，绝缘滑轮用的绝缘绳的有效绝缘长度不得小于600mm。
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软横跨所采用的结构视其所在地点的线路情况，其结构形式可用节点的组合方式来表示。
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下部固定绳的高度以电气化股道的最高轨面连线的中心为准。
【判断题】
轨面较低时，软横跨可采用按不大于接触线允许坡度升高接触线的方式安装。
【判断题】
轨面较低时，软横跨上可加装调节力柱来保证接触线的高度。
【判断题】
软横跨预制计算中的H值为接触线距轨面的高度。
【判断题】
一般悬挂5支及以上接触悬挂时采用双横承力索。
【判断题】
为保证精确度，软横跨预制计算一般采用负载计算法。
【判断题】
负载计算法是以实际悬挂的标准形式为依据。
【判断题】
某区间已知定位点导高H=6000mm，L=1440mm，h=60mm，现场实测得定位处接触线投影在线路中心距外轨间距线路中心100mm处，则现场拉出值应调整，应使定位处接触线位置向外轨方向“拉”250mm。
【判断题】
支柱基坑回填时地面坑口的培土与原地面同高即可。
【判断题】
支柱基坑回填时如支柱上部需要安装横卧板，则当填到距地面1.5m高度时，将上部横卧板安装完毕后，再继续回填。
【判断题】
架线时架线车上操作人员为5人，其中1人为技术指导。
【判断题】
一般锚柱处接触线补偿坠砣允许上升最大高度为接触线高度6m时4.5m。
【判断题】
附加导线放线滑轮的轮槽直径应与导线线径相适应，滑轮轮径应大于线径的10倍且转动灵活。
【判断题】
用来制作铝绞线或钢芯铝绞线接头的钳接管，当弯曲度大于1%时，必须切断重接。
【判断题】
进行接触网部件的受力分析时，有静态和动态两种情况。
【判断题】
计算拉线下料长度时，应按拉线实测长度再加0.9m后计算。
【判断题】
拉线受力后，NUT线夹U形螺栓可调部分不得大于全部螺纹长的1/3。
【判断题】
计算机用高级程序设计语言编写的程序，要转换成等价的可执行程序，必须经过编译和连接。
【判断题】
安装转换柱的腕臂时，无论是三跨还是四跨，非工作支腕臂均必须安装在远离相邻锚柱的方向。
【判断题】
预制软横跨直吊弦时，其计算长度等于吊弦两端回头点间的长度。
【判断题】
安装好的软横跨未加负荷时，要求上部固定绳的绝缘子必须于横向承力索的电分段绝缘子在同一垂直面上。
【判断题】
安装隔离开关瓷柱时，要使其竖直，不允许有偏差倾斜。
【判断题】
承力索补强时，断股头两侧相邻钢线卡子间距为100mm。
【判断题】
负载计算法是以安装前的受力状态为前提。
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