【多选题】
水泡泥的塑料袋具备___。
A. 阻燃#
B. 无毒#
C. 有一定强度#
D. 带铅性
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答案
ABC
解析
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从业人员必须遵守煤矿___,严禁违章指挥、违章作业。
A. 安全生产规章制度#
B. 作业规程#
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【多选题】
从业人员发现事故隐患或者其他不安全因素,应当立即向___报告,接到报告的人员应当及时予以处理。
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C. 现场安全生产管理人员#
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从业人员安全生产的权利有___。
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从业人员安全生产的基本义务有___。
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【多选题】
从坡度较大的地方向下推车以及接近___时、硐室出口时,推车人应及时发出警号。
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【单选题】
杭州地铁线路采用___标准轨距。
A. 1430mm
B. 1435mm
C. 1440mm
D. 1445mm
【单选题】
正线及配线钢轨宜采用___钢轨。
A. 50kg/m
B. 60kg/m
C. 70kg/m
D. 80kg/m
【单选题】
车场线宜采用___钢轨。
A. 38kg/m
B. 43kg/m
C. 50kg/m
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【单选题】
不同类型的钢轨应采用___连接。
A. 每米质量大的钢轨
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D. 普通钢轨
【单选题】
4号线线路最小曲线半径为___。
A. 292m
B. 295m
C. 298m
D. 300m
【单选题】
总磨耗=垂直磨耗+___侧面磨耗。
A. 1
B. 1/2
C. 1/3
D. 1/4
【单选题】
垂直磨耗在___(距标准工作边)测量。
A. 钢轨顶面宽1/2处
B. 钢轨顶面宽1/3处
C. 钢轨顶面宽1/4处
D. 钢轨顶面宽1/5处
【单选题】
车场线终端应采用___车挡。
A. 滑动式
B. 半侧式
C. 月牙式
D. 固定式
【单选题】
侧面磨耗在___处测量。
A. 钢轨踏面(按标准断面)下16mm
B. 钢轨踏面(按标准断面)下17mm
C. 钢轨踏面(按标准断面)下18mm
D. 钢轨踏面(按标准断面)下19mm
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50kg/m和60kg/m的钢轨构造轨缝均为___。
A. 16mm
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在钢轨上钻螺栓孔时必须___。
A. 倒缝
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其他专业需在钢轨上钻孔或加装设备时,必须经___同意。
A. 通号中心
B. 工务中心
C. 供电中心
D. 车站设备中心
【单选题】
曲线半径R≥300m时,轨距加宽___。
A. 0mm
B. 5mm
C. 10mm
D. 15mm
【单选题】
曲线半径150<R<300m时,轨距加宽___。
A. 0mm
B. 5mm
C. 10mm
D. 15mm
【单选题】
曲线半径R≤150m时,轨距加宽___。
A. 0mm
B. 5mm
C. 10mm
D. 15mm
【单选题】
轨距加宽值应在缓和曲线范围内递减,无缓和曲线时,在___地段递减。
A. 直线
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C. 弧线
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【单选题】
单开道岔辙叉部分轨距直侧向均为___。
A. 1432mm
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人工巡道的周期间隔不应超过___。
A. 72小时
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正线开通初期3个月内每24小时巡道一次,3个月后视情况可改为每___巡道一次。
A. 72小时
B. 48小时
C. 36小时
D. 24小时
【单选题】
尖轨尖端与基本轨不靠贴时应及时___或更换。
A. 观察
B. 维修
C. 探伤
D. 打磨
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尖轨硬弯造成轨距不符合规定的应及时维修或___。
A. 维修
B. 观察
C. 探伤
D. 更换
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护轨平直部分轮缘槽标准宽度为___。
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C. 46mm
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当侧向轨距为1441mm时,则侧向轮缘槽标准宽度为___。
A. 48mm
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C. 52mm
D. 54mm
【单选题】
护轨平直部分轮缘槽标准宽度容许误差为___mm。
A. +2,-2
B. +3,-1
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D. +3,-2
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查照间隔(辙叉心作用面至护轨头部外侧的距离)不得小于___。
A. 1392mm
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护背距离(辙叉翼作用面至护轨头部外侧的距离)不得大于___。
A. 1345mm
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C. 1347mm
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温度应力式无缝线路,一般由固定区、伸缩区、___三部分构成。
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B. 冲撞区
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警冲标设在汇合轨道线路两线间距为___的起点处中间,有曲线时按限界加宽办法加宽。
A. 3.2m
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C. 3.8m
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【单选题】
道岔轨道静态几何尺寸允许偏差管理值正线、试车线轨距作业验收标准为___mm。
A. +1,-3
B. +2,-2
C. +3,-1
D. +3,-2
【单选题】
道岔轨道静态几何尺寸允许偏差管理值车辆段(场)轨距作业验收标准为___mm。
A. +1,-3
B. +2,-2
C. +3,-2
D. +3,-1
【单选题】
道岔轨道静态几何尺寸允许偏差管理值正线、试车线轨距经常保养标准为___mm。
A. +1,-3
B. +5,-3
C. +2,-2
D. +3,-1
【单选题】
道岔轨道静态几何尺寸允许偏差管理值车辆段(场)轨距经常保养标准为___mm。
A. +1,-3
B. +5,-3
C. +2,-2
D. +3,-1
【单选题】
道岔轨道静态几何尺寸允许偏差管理值正线、试车线轨距临时补修标准为___mm。
A. +1,-3
B. +2,-2
C. +3,-1
D. +6,-3
【单选题】
道岔轨道静态几何尺寸允许偏差管理值车辆段(场)轨距临时补修标准为___mm。
A. +6,-3
B. +1,-3
C. +2,-2
D. +3,-1
【单选题】
道岔轨道静态几何尺寸允许偏差管理值正线、试车线水平作业验收标准为___。
A. 1mm
B. 2mm
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