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【单选题】
在雷雨天不要走近高压电杆、铁塔、避雷针,远离至少_______以外。[921000000]___
A. 10m
B. 15m
C. 20m
D. 30m
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答案
C
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上道进行施工,检修作业及设备检查时,应实行_______作业,按规定穿着防护服(饰),并应设安全防护员,实行专人防护。[923000000]___
A. 单人
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【单选题】
在停留列车,车辆前部或尾部通过时,应与其保持_______以上距离。[931000000]___
A. 2m
B. 3m
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【单选题】
扛抬笨重物体时,每人负重一般不得超过_______。[912000000]___
A. 40kg
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【单选题】
对带有_______及其以上电压的信号设备进行作业时,一般应切断电源或双人作业。[921000000]___
A. 36V
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【单选题】
对高于_______电压的信号设备进行带电作业时,使用带绝缘的工作,穿绝缘胶鞋。[921000000]___
A. 12V
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【单选题】
检修整流、变流及磁饱和等电源设备时,电压高于_______的设备应关闭电源,并通过人工放电,释放电容器电能后,方可开始工作。[922000000]___
A. 36V
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【单选题】
人身和携带物件(如长杆、导线、工具等)与接触网设备带电部分,必须保持_______以上的距离。[913000000]___
A. 1m
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当发现接触网线断落时,要远离该处_______以外,将该处加以防护,并立即通知有关部门处理。[922000000]___
A. 3m
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【单选题】
停电作业时,应指派专人断电,并在电源开关处悬挂_______。[931000000]___
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人身和携带物件与接触网回流线必须保持_______以上距离。[923000000]___
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【单选题】
在距接触网不足_______的处所作业时,必须要求供电部门配合。[921000000]___
A. 0.5m
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【单选题】
在电气化区段高柱信号机上作业时应保持人身和携带物件与接触网带电部分_______以上距离。[911000000]___
A. 1m
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【单选题】
当进行扼流变压器II次侧的有关开路作业前,应_______。[922000000]___
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【单选题】
防止联锁失效的重点不包括下列_______。[921000000]___
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不属于“两失一违”的是_______。[933000000]___
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不属于信号安全工作“三害”的是_______。[931000000]___
A. 违章
B. 蛮干
C. 作业准备不足
D. 抢点
【单选题】
不属于“三预告”内容的是_______。[911000000]___
A. 前方站开车预告
B. 信号开放预告
C. 列车接近预告
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【单选题】
“天窗”修作业结束时,应提前_______进行试验。[922000000]___
A. 5min
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160km/h以上提速区段动车组等快速列车到达作业点前_______,本线及临线作业人员必须下道避车。[923000000]___
A. 5min
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C. 15min
D. 20min
【单选题】
160km/h以上提速区段动车组等快速列车到达作业点前必须下道避车时,应距线路钢轨头部_______以外。[931000000]___
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在空气不流通的狭小地方使用二氧化碳灭火器可能造成的危险是_______。[931000000]___
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在下列环境中工作,_______最易中暑。[922000000]___
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用_______方法可有效处理溅到皮肤上的腐蚀性液体。[921000000]___
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安全带适用于_______。[923000000]___
A. 高处作业
B. 悬挂
C. 吊物
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【单选题】
工作环境_______是不适合进行电焊的。[921000000]___
A. 空气流通
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煤气中毒一般是由于_______中毒。[921000000]___
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铁路运输企业及其他相关单位、个人应及时报告事故情况,_______相关证据,积极配合事故调查工作。[912000000]___
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【单选题】
因设备管理不善造成的事故,定设备_______责任。[922000000]___
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A. 进站信号机
B. 调车信号机
C. 通过信号机
D. 出站信号机
【单选题】
当调度集中设备_______及运输需要时,由中心控制转为车站控制。[933000000]___
A. 故障
B. 维修
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【单选题】
任何单位和个人不得在地下光(电)缆两侧各_______ 的范围内挖砂、取土和设置可能引起光(电)缆腐蚀的设施。[933000000]___
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【单选题】
机车信号为行车凭证时,由车载信号和地面信号设备共同构成,必须符合_______原则。[921000000]___
A. 可靠性
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列车超速防护系统由车载和地面信号设备构成,必须符合_______的原则。[931000000]___
A. 可靠性
B. 安全性
C. 适用性
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【单选题】
机械化、半自动化、自动化驼峰调车场应采用_______。[931000000]___
A. 道岔自动集中
B. 信号机自动集中
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D. 道岔与信号机自动集中
【单选题】
半自动化、自动化驼峰由_______构成。[931000000]___
A. 控制系统
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C. 检测设备
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【单选题】
驼峰控制台上应有信号机的_______区段的占情况及领接联锁区的有关表示。[931000000]___
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【单选题】
《中华人民共和国铁路法》规定对损毁、移动铁路信号装置及其他行车设施或者在铁路线路上放置障碍物说法正确的是_______。[913000000]___
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D. 铁路职工无权制止,可以通知公安机关处理
【单选题】
《中华人民共和国铁路法》规定对在铁路线路两侧_______以内或者铁路防护林地内放牧的,铁路职工有权制止。[913000000]___
A. 10m
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【单选题】
电务在挖坑、沟作业短时间无法作业完毕时,坑、沟一般不能_______。[931000000]___
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Young ___ he is, he knows how to get along with others.
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He succeeded ___ out a lot of things entirely new in the world.
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She ___ 100 pages of the book today.
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