【多选题】
线路设备状态评定时,___分为合格。
A. 85-100
B. 70-85
C. 60-85
D. 60-90
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答案
C
解析
暂无解析
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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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___的检查,是轨道动态质量检查的主要手段。
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管理分工分为设___三级管理职责。
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B. 部门、班组、中心
C. 部门、中心、班组
D. 中心、部门、班组
【多选题】
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。
A. 一般
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D. 谁使用、谁管理、谁考核
【多选题】
委外单位依据___原则合理编制月度(周)计划,报中心批准
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中心根据___,编制设施设备年度检修计划及巡视计划。
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【多选题】
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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【多选题】
___是地铁运营工作的生命线。
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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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【多选题】
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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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道岔设备修理分为___三大层次。
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【多选题】
停车场50kg/m钢轨___单开道岔。
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正线整体道床___钢轨9号单开道岔及交叉渡线。
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【多选题】
道岔信号转换设备采取___。
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道岔信号转换设备联动内锁闭,一点牵引,牵引点动程为___。
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【多选题】
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【多选题】
道岔转辙器采用50AT曲线型尖轨,尖轨长___。
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【多选题】
正线护轨为分开式,采用___钢轨制造。
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【多选题】
护轨顶面要高出基本轨___。
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轨距垫分中间轨距垫和接头轨距垫,各设___,共4个号码
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【多选题】
钢轨接头两侧采用___。
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【多选题】
正线采用相离圆曲线线型,___弹性可弯尖轨。
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【多选题】
2号线正线尖轨设两个牵引点,第一牵引点动程为___,第二牵引点动程为()。
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【多选题】
单开辙叉、交叉渡线锐角辙叉、交叉渡线钝角辙叉采用___整铸辙叉。
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B. 低合金结构钢
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【多选题】
2号线正线道岔护轨采用分开式,采用___钢轨制造。
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【多选题】
4号线正线尖轨设两个牵引点,第一牵引点动程为___,第二牵引点动程为()。
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【多选题】
4号线正线尖轨理论转换力不大于___。
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B. 3KN
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【多选题】
停车场AT曲线型尖轨侧向过岔允许最高速度为___km/h。
A. 15
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【多选题】
正线AT直线型尖轨侧向过岔允许最高速度为___km/h。
A. 25
B. 20
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【多选题】
停车场AT曲线型尖轨直向过岔允许最高速度为___km/h。
A. 60
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【多选题】
正线开通初期3个月内每___小时巡道一次,3个月后视情况可改为每()小时巡道一次。
A. 24 24
B. 24 48
C. 48 48
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【多选题】
人工巡道的周期间隔不应超过___小时。
A. 72
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C. 24
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