相关试题
【单选题】
下列哪个不是地铁车辆段信号控制系统的功能。___
A. 进路控制
B. 维修管理
C. 列车编组
D. 车辆调度
【单选题】
以下说法错误的是___。
A. 微机联锁设备在双机热备同步状态时，主、备机的事故继电器ASGJ、BSGJ）应处在励磁吸合状态
B. 微机联锁设备若备机尚未处在同步状态下，备机的事故继电器应处于吸起状态
C. 联锁设备停电后，当电源停电恢复时，进路中已锁闭的轨道区段不应错误解锁
D. 调度集中设备故障时，不导致车站联锁设备和区间闭塞设备的错误动作
【单选题】
城市轨道交通信号系统的功能与铁路一样，主要包括联锁、闭塞、列车控制和___四个方面。
A. 车载
B. 列车运行
C. 调度指挥
D. 编组
【单选题】
联锁主、备机不能联机可能故障部位，不应该考虑的是___。
A. 切换手柄不在自动位置
B. 主备机通信线故障
C. STD1604I/O接口板故障
D. 备机设备有故障
【单选题】
微机联锁___故障不会影响微机联锁机运行。
A. 驱动层
B. 采集层
C. CPU
D. 报警板
【单选题】
交流转辙机表示功能的完成是由___接点座组成，表示杆共同完成。
A. 动作杆
B. 推板
C. 动作板
D. 滚轮
【单选题】
ZD6 转辙机由减速器输出轴通过___带动旋转主轴。
A. 速动片
B. 联轴器
C. 连接板
D. 起动片
【单选题】
城市轨道交通信号系统由___和车辆检修基地信号系统两大部分组成，用于列车进路控制。
A. 轨旁信号系统
B. 列车运行自动控制系统(ATC)
C. 车载信号系统
D. 车站信号系统
【单选题】
短轨道电路的长度应在___。
A. 5m以下
B. 50m以下
C. 500m以下
D. 1000m以下
【单选题】
以下___机柜一定会用到COM模块。
A. CDB
B. MTB
C. DOB
D. SRB
【单选题】
道岔___由指令单元、执行单元与监督保护单元组成。
A. 室内控制电路
B. 室外电路
C. 控制电路
D. 室内电路
【单选题】
下列不属于UPS保护措施的是___。
A. 过流保护
B. 触电保护
C. 电池欠压
D. 短路保护
【单选题】
调车信号辅助组合DXF主要用于___。
A. 调车信号机
B. 尽头型调车信号机
C. 单置调车信号机及变通按钮
D. 差置调车信号机
【单选题】
TD照查标准电平为___。
A. -30
B. +25
C. +7.5
D. -2.5
【单选题】
TD发送1.2系切换时间在___ms以下。
A. 400
B. 350
C. 170
D. 130
【单选题】
排一条发车进路需按压___按钮。
A. 1个
B. 2个
C. 2至3个
D. 4个
【单选题】
单轨系统一列车共3个测速发动机，其中在___，在（ ）。
A. MC1有一个、MC2有二个
B. MC1有二个、MC2有一个
C. MC1有无、MC2有三个
D. MC1有三个、MC2有无
【单选题】
信号系统上坡时后退检测起作用，利用紧急停车制动器停车了。解除紧急制动器的方法是___。
A. 转换成人工驾驶
B. B7复位
C. 将后退检测释放SW至于ON
D. 重新合上ATP控制装置NFB
【单选题】
调车信号机关闭的时机是列车的___越过该信号机
A. 第一节车厢
B. 中间车厢
C. 最后一节车厢
D. 任一车厢
【单选题】
排进路过程中，道岔转换时，如有车辆驶入道岔区段，因道岔控制电路___的极性接点能保持不动，所以道岔能继续转换到底。
A. 1DQJ
B. 1DQJ保持吸起和2DQJ
C. 2DQJ
D. 1DCJ和2DCJ
【单选题】
在交流转辙机表示电路中，___的主要作用是滤波。
A. 二极管
B. 交流电容
C. 电阻
D. 电机绕组
【单选题】
ZD6 型转辙机室内启动电路已正常构成，动作电流应送至电机___。
A. 1，4 或 2，4 端子
B. 1，4 或 3，4 端子
C. 1，2 或 1，4 端子
D. 2，3 或 2，4 端子
【单选题】
对于ZDJ9转辙机，面对机箱盒开锁处看，动作杆向___伸即为右装，反之为左装。
【单选题】
在有两个发车口的车站往主要发车口发车时，为了防止出站信号机开放一个绿灯前有先闪一下两个绿灯的现象，电路中采用的安全措施是___。
A. LXJ先于ZXJ吸起
B. LXJ先于XFJ吸起
C. ZXJ先于XFJ吸起
D. ZXJ先于LXJ吸起
【单选题】
EI32-JD型计算机联锁系统未采用下列___技术来保障系统可靠运行。
A. 双网通讯
B. 双套软件校核
C. 多点采集
D. 双机冷备
【单选题】
EI32-JD型计算机联锁子系统全部设备均由设于信号机械室的信号电源屏提供电力，电源屏需提供两路独立的带UPS输出的（ ）电源,总容量为___。
A. DC36V；5KVA
B. DC24V；5KVA
C. AC220V；5KVA
D. AC110V；10KVA
【单选题】
下面___继电器与联锁系统的正常使用有直接关系。
A. SJ
B. CCR
C. FPR
D. FOPR
【单选题】
对联锁机说法错误的是___。
A. 联锁机采用双机热备的动态冗余结构
B. 两套联锁互为主备,有主次之分
C. 系统运行期间,一套联锁机作为主机,另一套则作为备机运行
D. 两套联锁机同时接受现地控制工作站机发送过来的控制命令，同时通过LAN通信，接受两套采集电路所采集的站场状态，并进行运算，产生相应的控制命令
【单选题】
EI32-JD型计算机联锁子系统中驱动电路输出的电压是___。
A. AC 12V
B. DC 24V
C. DC 12V
D. DC 5V
【单选题】
在EI32-JD型计算机联锁子系统中，下列___不是I/O处理模块的功能。
A. 双机热备
B. 驱动转换道岔
C. 比较两台联锁机是否同步
D. 采集车站的状态信息
【单选题】
在EI32-JD型计算机联锁子系统驱采电路中，每一块采集板有___路采集，每一块驱动板有（ ）路驱动。
A. 64 16
B. 32 16
C. 16 64
D. 32 64
【单选题】
在CBTC模式下，联锁根据___提供的虚拟闭塞分区状态进行联锁运算。
A. ATS子系统
B. ATP子系统
C. 计轴子系统
D. 无线子系统
【单选题】
在EI32-JD型计算机联锁子系统现地控制工作站上，操作对需配对使用的按钮（非单按钮操作），在进行操作后在___内未完成配对时，系统会消除之前操作及提示。
A. 5S
B. 10S
C. 15S
D. 20S
【单选题】
直流电动机在额定电压 160V，1.5 倍工作电流[即 3.0A]，环境温度为 60℃的条件下， 一次通电___后的绕组温升不超过 75℃。
A. 5min
B. 10min
C. 15min
D. 20min
【单选题】
行星齿轮减速器的减速比为___。
A. 40：1
B. 41：1
C. 42：1
D. 43：1
【单选题】
在EI32-JD型计算机联锁子系统中，上电解锁需在8分钟内办理，超时后该按钮将自动消失，此时只能通过___操作来逐个解锁各个区段。
A. 上电解
B. 总人解
C. 总取消
D. 区故解
【单选题】
应答器不能安装在曲率半径小于___m 的线路上。如果确实需要安装在曲率半径较小的线路段，必需对安装条件进行精确的分析。
A. 300
B. 200
C. 100
D. 50
【单选题】
应答器顶面距轨道平面的距离H应在___范围内。
A. 1800±40mm
B. 1800±30mm
C. 1800±20mm
D. 1800±10mm
【单选题】
应答器的启动时间应小于___μs。
A. 100
B. 150
C. 200
D. 250
推荐试题
【单选题】
-How about going fishing?___, I have no patience for that.
A. Excuse me
B. Sorry
C. Pardon
D. Apologize
【单选题】
- Thanks for the lovely and delicious food______.
A. No thanks
B. Never mind
C. All right
D. My pleasure
【单选题】
－ Haven't seen you for ages. Let's have a get-together next week._____
A. Great idea.
B. Welcome!
C. Yes, of course.
D. No, thanks.
【单选题】
- Do you mind if I switch off the radio? ______. Go ahead.
A. Never mind
B. No way
C. No, not at all
D. No, you'd better not
【单选题】
- Could I use your bike for a moment? ___
A. It's well.
B. It doesn't matter.
C. By all means.
D. I have no idea.
【单选题】
-How do you like the story?_______.
A. I'd like to read it
B. I like it very much
C. fine, thank you
D. It's very interesting
【单选题】
- I'll sorry to trouble you.______.
A. Don't say so
B. OK
C. It doesn't matter
D. That's fight
【单选题】
- We ordered 20 boxes of your products, but we have only got 19. - ____
A. You do not have to.
B. It does not matter.
C. We will send another tomorrow.
D. Nothing serious.
【单选题】
--Will you please give the note to him? _________.
A. Certainly, I'll give it to him
B. No, please not
C. Sorry, I don't
D. Yes, please do
【单选题】
- Thank you ever so much for your lovely gift____
A. Never mind
B. I'm glad you like it.
C. Please don't say so.
D. No, It's not so good.
【单选题】
- I'd like to invite you to dinner this Saturday, Mr. Smith.____
A. Oh, no. let's not.
B. I'd rather stay at home.
C. I'm sorry, but I have other plans.
D. Oh, no. That'll be too much trouble.
【单选题】
- Could you please open the window?____
A. I can't.
B. Go ahead.
C. Sure.
D. It's really very kind.
【单选题】
- Do you think I can borrow your bike for a few hours?____
A. I'm afraid you can.
B. I'm sorry, but I really need it this afternoon.
C. Yes, I don't think so.
D. I'll think about it later.
【单选题】
- Thank you very much for the dictionary you sent me.____
A. No thanks.
B. I'm glad you like it.
C. Please don't say so.
D. No, it's not so good.
【单选题】
- How do you like the movie we saw yesterday?____
A. You are welcome.
B. How about you?
C. I've never seen a better movie than it.
D. It is very expensive.
【单选题】
- What do you think of your new teacher____
A. He came to teach us last week.
B. He teaches us English.
C. He has two children.
D. He is very nice.
【单选题】
- Are you going to have a holiday?____
A. Not until next week.
B. Three weeks ago.
C. To Beijing.
D. I'm pleased to hear that.
【单选题】
- You seem to be lost. Need help? ____
A. Yes, would you please help me with the bag?
B. Help me find my key, please.
C. Yes, with pleasure.
D. I'm looking for Zhongshan Road.
【单选题】
- Can you help me clear up the mess____
A. Yes, it doesn't matter.
B. No, that's OK.
C. Yes, help yourself.
D. No problem.
【单选题】
- Does No.20 bus stop at our school?____
A. I go to school by bus.
B. I'm afraid not.
C. You are welcome.
D. I'll not take No.20 bus.
【单选题】
- Can I help you? ____
A. Sorry, I don't need your help.
B. What help can you give us?
C. I'd like to try on these shoes, please.
D. Thanks. You are welcome.
【单选题】
- Sorry to have kept you waiting. ____
A. That's OK.
B. What are you doing?
C. What's wrong with you?
D. Where have you been?
【单选题】
- What is she?____
A. She is a typist.
B. She is talking to her friend.
C. She is having a holiday.
D. She is my sister.
【单选题】
- That's a beautiful cat. I wonder who it belongs to.____
A. It belongs to the
B. rowns. B.The cat is my favourite too.
C. Mind your own business.
D. I can't say anything more.
【单选题】
- Excuse me, could you tell me the time____
A. You'd better buy a watch.
B. It's three thirty by my watch.
C. Can you see the clock?
D. It's late I think.
【单选题】
- What do you think of the movie we saw last night?____
A. The actress is bad.
B. Terrific!
C. The theatre is bad.
D. Nobody was there.
【单选题】
___ No, thanks. I'm just looking around. I'll let you know if I want anything.
A. Could you help me?
B. What will you buy?
C. Can I help you?
D. Do you like to look around?
【单选题】
- Hello, Peter. What do you do?____
A. I am fine.
B. I am not sick.
C. I am a student from Bonn University.
D. I came from Bonn University.
【单选题】
-Excuse me; can I have a seat here?___
A. Be hurry.
B. Come on.
C. Yes, please.
D. Do you mind?
【单选题】
- Shall we sit up here on the grass or down there near the water?___
A. I'd rather stay here if you don't mind.
B. Sorry, I don't like neither.
C. Certainly, why not？
D. Yes, we like these two places.
【单选题】
- What do you do on Sunday?___
A. I 'm a teacher.
B. I play football.
C. You are a student.
D. They clean rooms.
【单选题】
- Our class won the girls' relay race in our school's sports meeting.___
A. That's right.
B. Thanks a lot.
C. Congratulations!
D. It's a pleasure.
【单选题】
- Hi, is Mary there, please?___
A. Hold on. I'll get her.
B. No, she isn't here.
C. Yes, she lives here.
D. Yes, what do you want?
【单选题】
- I am afraid I can't return the book to you before Friday. ___
A. Don't be afraid
B. Be careful
C. Not at all
D. Take your time
【单选题】
- I really don't know how to thank you enough. ___.
A. No problem
B. Think nothing of it
C. Not at all
D. It doesn't matter
【单选题】
- Must I be home before seven? ___.
A. No, you needn't
B. No, you mustn't
C. Yes, you will
D. No, you won't
【单选题】
-I'm sorry to hear that you failed in the exam______.
A. Not at all
B. Oh, thank you.That's very kind of you
C. You are welcome
D. Yes, I'm really sorry
【单选题】
-I will,______.
A. that's all right
B. thank you
C. all right
D. not at all
【单选题】
-Hello, may I speak to Zhao Hua?_____.
A. My name is Zhao Hua
B. I'm Zhao Hua
C. This is Zhao Hua speaking
D. Zhao Hua is me
【单选题】
___This is Mr Smith speaking now.
A. Who are you
B. Who is that
C. Who are you calling
D. What do you want to say
