【单选题】
60kg/m钢轨高___。
A. 152mm
B. 164mm
C. 176mm
D. 192mm
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答案
C
解析
暂无解析
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【单选题】
不同类型的钢轨互相联结时,应使用___。
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60kg/m钢轨的构造轨缝是___。
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C. 18mm
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【单选题】
钢轨总磨耗等于垂直磨耗与___之和。
A. 侧磨磨耗
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C. 1/3侧面磨耗
D. 1/4侧面磨耗
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钢轨侧面磨耗在距踏面(标准断面下)___测量。
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C. 6m
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【单选题】
曲线实设最大超高,在单线上不得大于___。
A. 125mm
B. 135mm
C. 145mm
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【单选题】
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A. 20mm
B. 30mm
C. 40mm
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曲线未被平衡的欠超高,一般应不大于___。
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【单选题】
___不会引起线路爬行。
A. 钢轨在车轮作用下的波浪形弯曲
B. 钢轨温度变化
C. 列车制动
D. 钢轨轨距误差超限
【单选题】
站台边缘至线路中心线的水平距离为___。
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【单选题】
线路设备状态评定时,是以___为单位。
A. m
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【单选题】
线路设备状态评定时,___分为合格。
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B. 70-85
C. 60-85
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【单选题】
关于线路轨道、道岔保养质量评定,___时间由工务中心评定一次。
A. 半年
B. 三个月
C. 一年
D. 一个月
【单选题】
工务中心组织对正线轨道和道岔评定一次,采取___检查办法进行。
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C. 固定一样
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【单选题】
___的检查,是轨道动态质量检查的主要手段。
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【单选题】
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B. 部门、班组、中心
C. 部门、中心、班组
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【单选题】
按照___的原则,运营分公司授权工务中心直接对委外单位(人员)进行管理。
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【单选题】
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【单选题】
对于一些结构特殊故障、损坏,委外单位应提供___供中心审批后才可开展有关维护工作。
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【单选题】
___是地铁运营工作的生命线。
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D. 安全
【单选题】
工务及委外维保单位人员必须坚决坚持___的方针,把安全工作放在首位
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B. 安全第一、预防为主
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【单选题】
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加强维修管理,做到___。
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【单选题】
道岔平面:半割线型曲线尖轨(割距4mm),割线型直线辙叉(割距12mm),导曲线半径___。
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【单选题】
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【单选题】
道岔设备修理分为___三大层次。
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【单选题】
停车场50kg/m钢轨___单开道岔。
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C. 11号
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【单选题】
正线整体道床___钢轨9号单开道岔及交叉渡线。
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【单选题】
停车场___钢轨7号单开道岔。
A. 60kg/m
B. 50kg/m
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【单选题】
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【单选题】
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【单选题】
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【单选题】
道岔转辙器采用___曲线型尖轨。
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【单选题】
道岔转辙器采用50AT曲线型尖轨,尖轨长___。
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【单选题】
2号线正线护轨为分开式,采用___钢轨制造。
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【单选题】
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