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【多选题】
以下条件任一不满足,则轮径取默认值805mm。___ (摘自维修手册)
A. 非紧急牵引工况
B. 网络生命信号正常
C. 读取的轮径值不大于840mm且不小于770mm
D. 制动系统故障
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关于司机室广播主机上电状态说法正确的是___(摘自维修手册)
A. Power模块DC110V指示灯点亮
B. Power模块DC24V指示灯点亮
C. 录音模块Power指示灯闪烁
D. 司机室交换机POW指示灯常亮
【多选题】
通过以下哪几种关门方式,门将立即执行关门动作,无延时时间。___ (摘自维修手册)
A. “服务按钮”关门
B. “零速信号”无效方式
C. 关门复位紧急解锁装置关门
D. 通过激活“关门”列车线实现关门
【多选题】
长沙地铁1号线踏面制动单元间隙调整装置由()组件和()组件组成,间隙调整装置可对车轮和闸瓦间的间隙变化作出补偿。___(摘自维修手册)
A. 推筒组件
B. 丝杆组件
C. “伸缩组件”
D. “推进组件”
【多选题】
AXMe 实现模拟量信号的采集输入和控制输出,具备如下功能:___ (摘自维修手册)
A. 输入信号采集
B. 控制信号输出
C. 设备地址输入
D. 数据存储
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DIMe 实现数字量信号的采集输入具备如下功能:___ (摘自维修手册)
A. 输入信号采集
B. 设备地址输入
C. 设备地址输入
D. 数据存储
【多选题】
DXMe 实现数字量信号的采集输入和控制输出,具备如下功能:___ (摘自维修手册)
A. 输入信号采集
B. 控制信号输出
C. 设备地址输入
D. 数据存储
【多选题】
以下条件均满足时,认为拖车速度不可信,一旦出现锁定至停车。___ (摘自维修手册)
A. 网络生命信号中断
B. 紧急牵引工况
C. 本车速度与列车参考速度差超过8km/h持续0.1s
D. 牵引电机速度传感器故障
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以下条件都满足时,DCU认为洗车模式有效。___(摘自维修手册)
A. 网络正常
B. DCU收到“洗车”指令
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D. 信号系统在切除状态
【多选题】
下列原因可能会导致弓网故障的是___。(摘自车辆检修工教材)
A. 路基引起受电弓运行线偏离原运行中心线
B. 接触网位移
C. 接触网网压为零
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长沙地铁1号线列车SIV当出现以下条件时SIV会停机:___(摘自维修手册)
A. 输入电压低于950V;
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C. 停止指令。
D. 通讯故障
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长沙地铁1号线列车通过司机台紧急制动按钮(蘑菇按钮)施加紧急制动时,会触发___。(摘自车辆电气原理图)
A. 受电弓降弓
B. 高速断路器断开
C. 客室空调停止工作
D. 启动紧急照明
【多选题】
快速制动时,由___调整预控压力。(摘自维修手册)
A. 紧急制动电磁阀
B. 电子中继阀
C. 变载荷阀
D. 压力开关
【多选题】
TCMS在以下情况下进行限速检测:___。(摘自维修手册)
A. 当2个DCU故障TCMS进行60km/h限速检测
B. 当切除3节车以上制动,TCMS进行35km/h限速检测
C. 当退行时,TCMS进行10km/h限速检测
D. 当慢行模式时,TCMS进行3km/h限速检测
【多选题】
长沙地铁车辆采用了先进的微机控制技术,并具有故障自诊断功能。如___均采用了微机控制技术。(摘自维修手册)
A. 牵引控制单元
B. 辅助逆变器控制单元
C. 电子制动控制单元
D. 空调控制单元
E. 车门控制单元
【判断题】
空气净化单元主要包括气/水分离器、高效过滤器、干燥器、灰尘过滤器、自动排污阀等。
A. 对
B. 错
【判断题】
长沙地铁1号线风源系统最小压力阀安装在机体上,位于油细分离器座的后部,初始开启压力为0.3~0.5MPa。
A. 对
B. 错
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长沙地铁1号线测速齿轮的齿数为82。
A. 对
B. 错
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门控器包含2个安全继电器,仅通过硬线信号激活。
A. 对
B. 错
【判断题】
安全继电器在列车运行时断电,因此到驱动机构解锁装置(齿轮制动)的电路被断开,如此可以防止由于软件故障造成的意外开门。
A. 对
B. 错
【判断题】
门控器安全继电器激活车门的解锁装置(齿轮制动)。启动安全继电器后,安全继电器的零电势触点将打断车门已关闭回路。
A. 对
B. 错
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本地门到位开关S1 的常闭触点、紧急解锁开关S3 的常闭触点与安全继电器的常闭触点串联形成回路后与隔离开关S5 的常开触点进行并联,组成了本地车门的安全回路。
A. 对
B. 错
【判断题】
再生制动与电阻制动之间的转换由网络控制,能保证它们连续交替使用,转换平滑,变化率不能为人所感受到。
A. 对
B. 错
【判断题】
列车气制动具有独立的滑行保护功能,而电制动具有独立的滑行保护功能。
A. 对
B. 错
【判断题】
快速制动与紧急制动设计的减速率都为1.2 m/s2,快速制动与紧急制动区别在于快速制动在制动时不断开安全回路。
A. 对
B. 错
【填空题】
1.三月检客室灯罩间隙检查要求灯罩与灯罩之间的缝隙小于2mm。___
【填空题】
2.功率放大器模块用于对列车音频总线传来的信号进行功率放大,使乘客听到各种所需的到发信息。___
【填空题】
3.停放制动不同于一般的充气→制动,排气→缓解,它是通过弹簧作用力而产生制动作用,能满足列车较长时间断电停放的要求。___
【填空题】
4.客室车门防挤压力:峰值力Fp<300N;在第一次试图关门过程中的有效力Fe<150N;在进一步试图关门过程中的平均有效力Fe<200N。___
【填空题】
5.长沙地铁1号线车辆转向架的轮缘润滑方式采用湿式润滑装置。___
【填空题】
6.每台空调机组制冷时部件启动顺序为通风机、冷凝风机、压缩机。___
【填空题】
7.当新风温度高于45℃时,机组卸载运行,如果当前机组运行在全冷模式,则压缩机减半运行,机组运行在高温卸载模式;当新风温度高于52℃时,冷凝风机和压缩机全部停止工作,机组工作在通风模式。___
【填空题】
8.空调机组高压压力开关动作值为3.0±0.15MPa断开,2.4±0.15MPa 接通。___
【填空题】
9.空调机组低压压力开关动作值为0.15±0.03MPa 接通,0.05±0.04MPa断开。___
【填空题】
10.假设每节车自己制动。总共需要300%的制动力,因此气制动时,每节车的EBCU根据每节车的重量,负责本车100%的制动力。___
【填空题】
11.列车在正常情况制动都采用常用制动模式。最大常用制动平均减速度为1.0 m/s2。___
【填空题】
12.主门控器通过MVB网络与列车控制单元连接,主门控器通过CAN 总线与从门控器通讯。___
【填空题】
13.牵引逆变器通过正相序或反相序输出交流电来控制牵引电机和车辆轮对的正转或者反转,来实现司机所期望的列车“向前”或者“向后”运行。___
【填空题】
14.TCMS 参与地铁列车的空电混合制动控制,制动力的计算和分配由制动系统完成。___
【填空题】
15.EDRM记录容量 8G,采样周期 100ms___
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16.当列车处于非ATO 模式下时,保持制动的施加由制动系统负责,保持制动的缓解由TCMS 负责。___
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新版个人网银转账单笔限额是___元,日累计限额是( )元。( )
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河南省农村信用社手机银行中的无卡取款业务日累计限额(),每日可进行()次无卡取款。___
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市郊联社自助设备支持单笔取款最高额度为?___
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— How are you, Bob?___
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— Thanks for your help.___
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— Hello, my name is Charles Green, but ___ .
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— ___, and how are you?
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— I'm sorry. I am late due to the heavy traffic___
A. Well, it's OK.
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— It's rather cold in here. Do you mind if I close the window?___
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___He teaches physics in a school.
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D. Would you like to try it on?
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— Could you help me with my physics, please?___
A. No, no way.
B. No, I couldn't
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— Could I speak to Don Watkins, please?___
A. Speaking, please.
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— Could I borrow your car for a few days?___
A. Yes, you may borrow.
B. Yes, go on.
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— Thank you for inviting me.___
A. I really had a happy time.
B. Oh, it's too late.
C. Thank you for coming.
D. Oh, so slowly?
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— May I see your tickets, please?___
A. Sure.
B. No, you can't.
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— Please help yourself to the seafood.___
A. No, I can't.
B. Sorry, I can’t help.
C. Well, seafood don’t suit.
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— Would you like to go to the concert with us this evening?___
A. No, I already have plans.
B. I'd love to, but I'm busy tonight
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— Congratulations! You won the first prize in today's speech contest.___
A. Yes, I beat the others.
B. No, no, I didn’t do it well.
C. Thank you.
D. It's a pleasure.
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A. had better to
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— We are going to have a singing party tonight. Would you like to join us?___
A. I'm afraid not, because I have to go to an important meeting.
B. Of course not. I have no idea
C. No, I can’t.
D. That's all set
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— How was your trip to London, Jane?___
A. Oh, wonderful indeed.
B. I went there alone.
C. The guide showed me the way.
D. By plane and by bus.
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— Hey, Tom, what's up?___
A. Yes, definitely!
B. Oh, not much.
C. What is happening in your life?
D. You are lucky.
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— Do you mind my smoking here?___
A. No, thanks.
B. Yes, I do.
C. Yes. I'd rather not.
D. Good idea.
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— Did you know that David injured his leg yesterday?Really? ___
A. Who did that?
B. What's wrong with him?
C. How did that happen?
D. Why was he so careless?
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— This box is too heavy for me to carry it upstairs.___
A. You may ask for help.
B. I'll give you a hand.
C. Please do me a favor.
D. I'd come to help.
【单选题】
— I wonder if I could use your computer tonight?___ I'm not using it right now.
A. Sure, here you are.
B. I don't know.
C. It doesn't matter.
D. Who cares?
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— Excuse me, could you show me the way to the nearest post office?___ Oh yes! Two blocks away from here at the Green Avenue. You can’t miss it.
A. I beg your pardon?
B. What do you mean?
C. You’re welcome.
D. Um, let me think.
【单选题】
— Wow! This is a marvelous room! I’ve never known you’re so artistic.____
A. Great, I am very art-conscious.
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— Is it possible for you to work late tonight?___
A. I like it.
B. I'll do that.
C. I'd love to. .
D. I think so.
【单选题】
— Unbelievable! I have failed the driving test again!___ This is not the end of the world.
A. Good luck.
B.
C. heer up. C. Go ahead.
D. No problem.
【单选题】
Are you feeling better today, Jack?___
A. There must be something wrong.
B. Just have a good rest.
C. Yes, thank you, doctor. But I still don't feel good.
D. Don’t worry about me.
【单选题】
Thank you 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】
Would you like something to drink? What about a cup of tea?___
A. No, thanks.
B. No, I wouldn’t
C. Yes, I want.
D. Yes, I like.
【单选题】
What's the problem with your bike?___
A. Not at all.
B. Good, thank you.
C. Nothing serious.
D. Sure.
【单选题】
Good morning, John. How are you doing?___
A. I'm pleased
B. Good night.
C. Not so bad. And you?
D. How do you do?
【单选题】
How do you do?___
A. Fine, thank you.
B. How do you do?
C. Not too bad.
D. Very well.
【单选题】
Good-bye for now.___
A. The same to you.
B. That's OK
C. See you.
D. Long time no see.
【单选题】
Hello, how are you?___
A. Hello, how are you?
B. How do you do?
C. Fine, thank you.
D. That's OK.
【单选题】
I didn't mean to do that. Please forgive me。___
A. Not too bad.
B. That's all right
C. It's a pleasure.
D. Thank you.
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