【多选题】
下列作业中，需要使用石笔的作业有哪两项 ___
A. 人工检查线路几何尺寸
B. 螺栓紧固
C. 添乘作业
D. 检查道岔几何尺寸
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【多选题】
下列作业中，需要向车站值班员请点的有哪三项？ ___
A. 主站在正线车站的调运备轨作业
B. 主站在正线车站的线路检查作业
C. 主站在停车场的线路检查作业
D. 主站在正线的线路步行巡视作业
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下列关于测量正矢作业说法正确的是？ ___
A. 弦应放在钢轨踏面下16mm处测量
B. 测量正线正矢，使用20米弦
C. 正矢不需要测量，有经验的老师傅用眼睛看看就好
D. 测量段场线正矢，使用10米弦
【多选题】
下列关于拨道作业的说法正确的三项有？ ___
A. 每次拨道量不宜超过20mm
B. 拨道作业只要不影响其他设备，想拨多少都可以
C. 拨道作业，线路中心位移不得超过正负30mm
D. 一侧拨道量年度累计不得大于120mm
【多选题】
下列关于钢轨肥边说法正确的有哪两项？ ___
A. 超过1mm的肥边都需要打磨
B. 肥边不影响钢轨使用寿命，说以不属于病害
C. 肥边只有接头才会发生
D. 肥边会影响行车安全，所以要及时消除
【多选题】
关于曲线外轨超高设置的目的，叙述不正确的是哪两项？ ___
A. 保证轨道稳定，防止车辆倾覆
B. 为了线路美观，看起来有层次感
C. 为了体现线路的复杂性，提高技术水准
D. 将离心力限制在一定范围内，保证旅客的舒适度
【多选题】
如多个A2类施工需要在同一地段作业时，关于红闪灯设置说法错误的三项是？ ___
A. 相邻两个红闪灯之间至少有0.3米以上的距离
B. 相邻两个红闪灯之间至少有0.5米以上的距离
C. 相邻两个红闪灯之间至少有0.8米以上的距离
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如果因故需要延长作业时间，施工负责人需提前经主站向行调申请，由值班主任进行批准，关于提前时间说法错误的三项是？ ___
A. 需在作业结束时间前30分钟申请延点
B. 需在作业结束时间前20分钟申请延点
C. 需在作业结束时间前10分钟申请延点
D. 需在作业结束时间前5分钟申请延点
【多选题】
钢轨检查时应注意哪些 ___
A. 全面检测钢轨、尖轨、辙叉是否伤损或达更换条件
B. 接头是否出现连续瞎缝或超过构造轨缝
C. 接头或钢轨是否出现擦伤掉块
D. 绝缘接头轨端是否存在肥边
【多选题】
岔枕检查时应注意那些 ___
A. 碎石岔枕是否存在位置、间距误差或偏斜
B. 接头岔枕失效或其它零星失效及连续失效的检查
C. 整体道床短岔枕是否出现裂缝、松动和剥离
D. 碎石岔枕是否空吊板及暗坑
【多选题】
联结零件检查时应注意那些 ___
A. 连杆、顶铁、间隔铁螺栓是否松动
B. 铁垫板、胶垫失效、折断、缺少
C. 其他各种螺栓缺少、松动
D. 弹条扣件中部前端是否离缝或扭矩超出规定范围的
【多选题】
道岔综合维修基本内容有哪些 ___
A. 改道、拨道、调整道岔各部尺寸，全面拨正道岔
B. 更换、方正和修理岔枕
C. 整修、更换和补充联结零件，并有计划地涂油
D. 整修路肩，疏通排水设备，清除道床杂草和路肩大草
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