【单选题】
指挥人与拨道人之间，在拨小弯时，应该距离___m。
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【单选题】
改动轨矩时，加垫的三角铁铁片的数量不得超过___片。
【单选题】
扒砟时，要保证枕木盒内有___的石砟。
A. 三分之二
B. 二分之一
C. 三分之一
D. 四分之一
【单选题】
在使用捣鼓机时，要启动捣鼓机运转___min,检查电机各部温升是否正常。
A. 1~3
B. 2~3
C. 3~5
D. 1~7
【单选题】
捣鼓范围为钢轨两侧各不少于___mm。
A. 100
B. 450
C. 300
D. 200
【单选题】
无缝线路轨温超过锁定轨温___℃是禁止作业。
A. 20
B. 21
C. 22.5
D. 25
【单选题】
进行打磨时，非操作人员应离开作业区至少___米以上。
【单选题】
进行锯轨时，非操作人员应离开作业区至少___米以上。
【单选题】
正线中一组道岔中的第二处的轨距为___。
A. 1435
B. 1440
C. 1445
D. 1450
【单选题】
车辆段中一组道岔中的第二处的轨距为___。
A. 1435
B. 1440
C. 1445
D. 1450
【单选题】
地铁正线采用___道床，停车场采用（）道床。
A. 无砟，有砟
B. 无砟，无砟
C. 有砟，有砟
D. 有砟，无砟
【单选题】
尖轨动程规定在第___连接杆(拉杆)中心处测量
【单选题】
正线线路中钢轨上的R代表___。
A. 超高
B. 一个字母
C. 正矢点
D. 半径
【单选题】
正线线路中钢轨上的H代表___。
A. 超高
B. 一个字母
C. 正矢点
D. 半径
【单选题】
正线线路中钢轨上的F代表___。
A. 超高
B. 一个字母
C. 正矢点
D. 半径
【单选题】
菱形道岔如何判定右股___。
A. 随意
B. 面向停车场或者车站左边
C. 都可以
D. 面向停车场或者车站右边
【单选题】
正线的轨距变化率不大于___。
A. 1/1000
B. 1/500
C. 1/250
D. 1/200
【单选题】
其他线路的轨距变化率不大于___。
A. 2/1000
B. 1/300
C. 1/250
D. 1/200
【单选题】
全面捣鼓时，尖轨尖端及前后各___根枕轨枕，适当增加捣鼓力。
【单选题】
正线起道时，要求水平不超限，正线的误差不超过___mm.
【单选题】
停车场起道时，要求水平不超限，误差不超过___mm。
【单选题】
正线道岔起道后，要用___M弦线检查高低。
【单选题】
停车场道岔起道后，要用___M弦线检查高低。
【单选题】
线整改道岔前，一定要与___进行联系。
A. 工程师
B. OCC
C. DCC
D. 不用
【单选题】
车辆段整改道岔前，一定要与___进行联系。
A. 工程师
B. OCC
C. DCC
D. 不用
【单选题】
车辆段道岔中的尖轨开口标准值为___。
A. 150
B. 152
C. 155
D. 160
【单选题】
位于弦___的点的矢距叫做正矢
A. 起始处
B. 1/4处
C. 1/2处
D. 终点处
【单选题】
弦长___的矢距称为外矢距。
A. 起始处
B. 1/4处
C. 1/2处
D. 终点处
【单选题】
测量现场正矢时如果曲线方向很差，应先粗拨___，但应在新拨动部分经
【单选题】
为平衡离心力的作用，在曲线轨道上设置___超高。
【单选题】
超高与地铁列车速度的平方成___。
A. 正比
B. 反比
C. 不成比例
D. 倒数
【单选题】
高低是指钢轨顶面沿钢轨方向的___凹凸不平顺。
【单选题】
轨向是指钢轨头部内侧面沿钢轨方向的___凹凸不平顺。
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C. to
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A. appeared
B. happened
C. occurred
D. emerged
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A. is
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B. wrongly
C. bitterly
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