【单选题】
施工安全协议书由施工单位与电务段签定，未签订施工安全协议及施工安全协议未经审查的_______。[921000000]___
A. 变更施工
B. 局部施工
C. 严禁施工
D. 拆旧施工
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相关试题
【单选题】
电务段应积极协助设计和施工单位核查既有设备情况，提供地下电缆等隐蔽设施的准确位置，标定_______，加强监管力度。[921000000]___
A. 防护范围
B. 电缆性能
C. 电缆质量
D. 备用电缆
【单选题】
各级电务部门必须高度重视联锁管理工作，全体信号工作人员都必须严格执行联锁纪律，_______违章封连电气接点等破坏联锁关系的行为。[932000000]___
【单选题】
信号联锁管理工作主要包括:日常联锁管理、_______联锁管理、联锁关系(电路)变更以及科研项目试验的联锁管理等。[922000000]___
A. 轨道电路
B. 电动机
C. 信号机
D. 工程验交
【单选题】
信号设备联锁关系的临时变更或停止使用，须经铁路局(公司)_______。[931000000]___
A. 口头同意
B. 电话同意
C. 批准
D. 联系
【单选题】
各种监测、报警电路等必须与联锁电路安全隔离，不得影响设备的正常使用，未经铁道部批准，不得随意借用_______。[921000000]___
A. 联锁条件
B. 变压器
C. 继电器接点
D. 道岔表示
【单选题】
未经规定程序审批，不准进行信号电路和联锁软件_______。[931000000]___
【单选题】
应加强对轨道电路分路不良区段的安全管理，坚持定期测试、登记制度，向车务部门明示，制定严格的卡控措施，纳入站细，_______。[922000000]___
A. 规范管理
B. 规范施工
C. 规范联锁
D. 联锁管理
【单选题】
对信号电路图进行修改时，应在修改处加盖图纸修改专用章，专用章应有 “修改文号、_______修改日期”等内容。[921000000]___
A. 批准人
B. 设计人
C. 施工人
D. 修改人
【单选题】
联锁试验应按《信号联锁管理办法》有关规定进行，明确试验负责人，并严格执行_______专人操作、专人监督的试验制度。[931000000]___
A. 多人指挥
B. 协商指挥
C. 专人指挥
D. 集体指挥
【单选题】
联锁试验必须在天窗内进行，同时影响上、下行_______的联锁试验，必须在垂直天窗内进行。[921000000]___
A. 侧线
B. 正线
C. 专用线
D. 货物线
【单选题】
联锁试验时应填写试验记录，试验结束后，有关人员应在_______上签字。[932000000]___
A. 备品台帐
B. 电路图册
C. 试验记录
D. 设备台帐
【单选题】
试验中发现的问题应及时解决，无权处理的问题应_______，危及安全的应及时采取措施。[932000000]___
A. 及时上报
B. 延期一年
C. 延期一季度
D. 不予上报
【单选题】
计算机联锁设备供应商对联锁软件的安全性终身负责，保证软件_______的正确性。[921000000]___
A. 调车业务
B. 列车业务
C. 报警设备
D. 联锁关系
【单选题】
从通信、信号工程设备交付使用时起，_______内施工单位必须参加值班，处理故障，保证设备正常使用。[932000000]___
A. 10h
B. 16h
C. 20h
D. 24h
【单选题】
在进站信号机外制动距离内进站方向为超过_______下坡道的车站，应在正线或到发线的接车方向末端设置安全线。[922000000]___
【单选题】
预告、驼峰、驼峰辅助信号机，显示不得少于_______。[932000000]___
A. 200m
B. 300m
C. 400m
D. 500m
【单选题】
_______闭塞法是当基本闭塞设备不能使用时所采用的代用闭塞法。[932000000]___
【单选题】
在自动闭塞区段内，当货物列车在设于上坡道上的通过信号机前停车后起动困难时，在该信号机上应装设_______信号。[922000000]___
【单选题】
驼峰控制台上应有信号机的显示状态、道岔位置、轨道电路区段的占用情况及邻接_______区的有关表示。[931000000]___
【单选题】
信号装置一般分为信号机和信号_______器两类。[931000000]___
【单选题】
安全线向车挡方向不应采用下坡道，其有效长度一般≥_______。[921000000]___
A. 30m
B. 40m
C. 50m
D. 60m
【单选题】
进站信号机应设在距进站最外方道岔尖轨尖端(顺向为警冲标)≥_______的地点。[931000000] ___
A. 30m
B. 40m
C. 50m
D. 60m
【单选题】
装有转换锁闭器、电动、电空、电液转辙机的道岔，当第一连接杆处(分动外锁闭道岔为锁闭杆处)的尖轨与基本轨间、心轨与翼轨间有_______及其以上水平间隙时，不能锁闭或开放信号机。[921000000]___
A. 2mm
B. 3mm
C. 4mm
D. 5mm
【单选题】
在进站端、出站端及区间适当地点设置点式应答器，必要时设置特定用途的_______。[932000000] ___
A. 接收器
B. 发送器
C. 应答器
D. 译码器
【单选题】
进站、通过、接近、遮断信号机显示距离应≥_______。[923000000]___
A. 400m
B. 800m
C. 1000m
D. 1200m
【单选题】
高柱出站、高柱进路信号机显示距离应≥_______。[922000000]___
A. 400m
B. 800m
C. 1000m
D. 1200m
【单选题】
调车、矮型出站、矮型进路、复示信号机，容许、引导信号及各种表示器显示距离应≥_______。[911000000]___
A. 200m
B. 400m
C. 800m
D. 1000m
【单选题】
在地形、地物影响视线的地方，进站、通过、接近、预告、遮断信号机的显示距离，在最坏的条件下应≥_______。[923000000]___
A. 50m
B. 100m
C. 200m
D. 400m
【单选题】
进站信号机应设在距进站最外方道岔尖轨尖端(顺向为警冲标)≥50m的地点，如因调车作业或制动距离的需要，一般不超过_______。[921000000]___
A. 80m
B. 100m
C. 200m
D. 400m
【单选题】
双线自动闭塞区间反方向进站信号机_______方应设置预告标。[923000000]___
【单选题】
在三显示自动闭塞区段的进站信号机前方第一架通过信号机柱上，应涂_______条黑斜线。[932000000]___
【单选题】
遮断信号机距防护地点应≥_______。[912000000]___
A. 50m
B. 100m
C. 200m
D. 400m
【单选题】
列车运行速度不超过120km/h的区段，预告信号机与其主体信号机的安装距离应≥_______。[923000000]___
A. 200m
B. 400m
C. 800m
D. 1000m
【单选题】
当预告信号机的显示距离不足400m时，预告信号机和其主体信号机的安装距离应≥_______。[922000000]___
A. 200m
B. 400m
C. 800m
D. 1000m
【单选题】
在列车运行速度不超过120km/h的区段，当两架信号机间的距离小于_______时，前架信号机的显示，必须完全重复后架信号机的显示。[922000000]___
A. 200m
B. 400m
C. 800m
D. 1000m
【单选题】
在列车运行速度超过120km/h的区段，两架有联系的信号机间的距离_______列车规定速度级差的制动距离时，应采取必要的降级或重复显示措施。[933000000]___
A. 大于
B. 小于
C. 等于
D. 大于等于
【单选题】
信号传输线路，在最大弛度时，架空线条最低点至地面、轨面的一般距离应满足：在与铁路交叉地点，距钢轨顶面≥_______。[922000000]___
A. 2000mm
B. 2500mm
C. 3000mm
D. 7000mm
【单选题】
地下光缆和电缆线路与树木平行的距离应满足：在市内≥750mm，在市区外≥_______。[921000000]___
A. 1000mm
B. 1500mm
C. 2000mm
D. 2500mm
【单选题】
架空线路附近的树枝与线路的距离应满足：在市内≥1000mm，在市区外≥_______。[911000000]___
A. 1000mm
B. 1500mm
C. 2000mm
D. 2500mm
【单选题】
铁路信息系统网络按应用分为外部服务网、内部服务网和安全生产网，采用纵深的综合防御体系确保网络安全，安全生产网骨干设备应采取_______，禁止安全生产网直接与互联网连接。[913000000]___
A. 冗余配置
B. 备份配置
C. 冗余和备份配置
D. 备份和设备配置
推荐试题
【单选题】
Tom is a book lover. ______ likes reading very much.
A. He B. She C. You D. It
【单选题】
—May I listen to the music here, Mr. White?
—Sorry, you’d better it like that．
A. not to do B. not do to
C. dont do D. not do
【单选题】
3.—Did you have a good time at Lauras birthday party?
— Yes, indeed. Its several years ________ I enjoyed myself so much.
A. when B. before C. since D. that
【单选题】
4. —___________ is the Summer Palace from here?
About three kilometers away. You can take the No. 35 bus.
A. How long B. How far C. How often D. How much
【单选题】
5. I was looking for a birthday gift for my mother, but I couldnt find ______ suitable.
A. anything B. something C. nothing D. everything
【单选题】
6. A friend of my ____ and I are going to visit_______ next week．
A. father; Browns B. father's; Browns
C. father; the Browns D. father's; the Browns
【单选题】
7. She ______ very hard since she came to our school.
A. studies B. has studied C. is studying D. studied
【单选题】
8. — Who will send you to the new school, your mom or your dad?
— _______. Ill go there by myself.
A. Both B. Either C. Neither D. None
【单选题】
9.—Well do what we can ____English well this term．
—It’s high time for you to work hard．
A. study B．to study C. be studied D. be studying
【单选题】
10. —I’m going to Flower Bookstore. Could you tell me ______?
— Sorry, I don’t know. I’m new here.
A. where it is B. where was it C. where is it D. where it was
【单选题】
11. How do you like the dishes, Eric?
— Fantastic! Nothing tastes ________.
A. nice B. better C. terrible D. worse
【单选题】
12. ______ Lin Feng has to work late, she always wears a smile on her face.
A. Because B. If C. Until D. Though
【单选题】
13.You can save money _______ you buy cheaper things.
A. before B. unless C. if D. until
【单选题】
14. We will have a _________ holiday after the exam．
A. two-month B. two month’s C. two month D. two-months
【单选题】
15. —We will build an underground in Xuzhou before 2015．
— Wow, _______! Will it pass our place?
A. what an excited news B. how excited the news is
C. what exciting news D. how exciting
【单选题】
16. — Emily, here’s a dictionary．I hope it will help you in some way．
— Thank you．It’s ________ what I need．
A. almost B. still C. only D. just
【单选题】
17. —Oh．I’m hungry．Mum, can I have the hamburger on the plate?
—No．It tastes ．
A. terribly B. terrible C. good D. well
【单选题】
18. —We can invite our teachers to the farewell party next Saturday.
—Yes, ______? I’ll call them at once.
A. what for B. what C. why not D. why
【单选题】
19.You can ________ ask the old man to move away to any other place because he has lived ________ here for at least sixty years．
A. hardly; alone B. hard; alone
C. hardly; lonely D. hardly; lonely
【单选题】
20.—I’m going back to see my grandparents this weekend．
—________．
A. It’s very nice of you B. You’d better hurry
C. Say goodbye to them D. Give my best wishes to them
【单选题】
21.—Why not take ____ umbrella with the sign “Made in China”? It is useful.
—What _______ good advice it is!
A. an; a B. a; a C. an; \ D. \; a
【单选题】
22. —Do you know the boy________ is sitting next to Peter?
— Yes. He is Peter’s friend. They are celebrating his ________ birthday.
A. who; ninth B. that; ninth C. /; ninth D. which; ninth
【单选题】
23. It was dark, ______ I couldnt see what was happening.
A. or B. though C. but D. so
【单选题】
24.—You can use MSN to talk with Vivien on the Internet.
—I know. But can you tell me ________?
A. what I can use it B. when I can use it
C. why can I use it D. how can I use it
【单选题】
25. _______ are you going to the School Uniform Exhibition, Amy ?
To learn about different styles of school uniform.
A. What B. Where C. Which D. Why
【单选题】
( ) 26. Where does the writer of "The little Prince" come from?
A．England． B．France． C．America． D．China．
【单选题】
( ) 27. What does the prince do after the fox tells him a secret?
A．He cares more about a flower and a sheep．
B．He meets many more strange adults on other planets．
C．He realizes his love for the rose and he goes back to his planet．
D．He discovers interesting things such as a snake, other roses and a fox
【单选题】
( ) 28. What does "The little Prince" mainly talk about? It' s about _________．
A．the adult world B．the planet B -612
C．a rose and a fox D．the adventure of a young prince
【单选题】
( ) 29. What is the writer's main purpose（目的）in writing this passage？
A．To tell the readers his life story．
B．To tell people what kind of person his father was．
C．To tell the readers what present he got from his father．
D． To let people know how poor he was．
【单选题】
( ) 30. Why did the father not ask his son not to do this and do that？
A．Because he felt quite confident of his son．
B．Because he was born from a poor family．
C．Because he was a man of few words．
D．Because he didn't want to be much too strict with his son．
【单选题】
( ) 31. What would someone learn from this passage？
A．How to live by oneself． B．How to stand on one's own feet．
C．What a good father should do． D．What the self-important is like．
【单选题】
( ) 32. What may be the proper Chinese for the underlined part in the passage？
A．闲暇时光 B．学费 C．精神空虚 D．经济不足
【单选题】
( ) 33. Why did Natalie Smith pay for the six cars behind her?
A. She had seven tickets.
B. She hoped to please others.
C. She knew the car drivers well.
D. She wanted to show kindness.
【单选题】
( ) 34. Judy Foreman copied down the phrase because she ___ .
A. thought it was beautifully written
B. wanted to know what it really meant
C. decided to write it on a warehouse wall
D. wanted her husband to put it up in the classroom
【单选题】
( ) 35. Who came up with the phrase according to the passage?
A. Judy Foreman. B. Natalie Smith. C. Anne Herbert D. Alice Johnson.
【单选题】
( ) 36. What can we infer from the last paragraph?
A. People should practice random kindness to those in need.
B. People who receive kindness are likely to offer it to others.
C. People should practice random kindness to strangers they meet.
D. People who receive kindness are likely to pay it back to the giver.
【单选题】
( ) 37.The greatest river for navigation is ___________.
A. the Nile B. the Amazon C. the Mekong D. the Mississippi
【单选题】
( ) 38. From a dam, people can use the water for ___________.
A. keeping the rivers clean B. only making electricity
C. irrigation and making electricity D. washing clothes
【单选题】
( ) 39. The water in the river is polluted because of _____________.
A. people's drinking water too much B. people's swimming in the river too much
C. chemicals and other materials D. people's building a dam across a river
【单选题】
( ) 40. The best title of the passage is ___________.
A. Rivers in Cities B. The importance of Rivers
C. Transportation D. Natural Resources
