【判断题】
CRH380A统型动车组弓角检查完后进行恢复，2号作业人员扶紧弓头；1号使用使用M6叉口扳手及活动扳手安装弓角，并使用扭力扳手紧固M6螺栓，扭矩为10Nm
查看试卷，进入试卷练习
微信扫一扫，开始刷题
相关试题
【判断题】
CRH380A统型动车组牵引电机检查，检查确认牵引电机冷却风道无破损，安装状态良好
【判断题】
CRH380A统型动车组牵引电机进风口检查，作业完成后恢复进风口伸缩管，确保其密封良好，卡箍紧固到位
【判断题】
CRH380A统型动车组蓄电池装置检查及清洁，使用万用表测量蓄电池总电压，确认蓄电池在不带负载情况下总电压不低于87V
【判断题】
CRH380A统型动车组打开辅助空压机排气阀门，观察压力指针表指向640±10KPa时，确认司机室前台「准备未完成」显示灯亮
【判断题】
CRH380A统型动车组启动辅助空压机约1分钟后，确认辅助空气压缩机压力表指针至780±10kPa，辅助空气压缩机停止运转，各相关管系及阀无漏风
【判断题】
CRH380A统型动车组辅助空气压缩机检测作业完毕后，关闭辅助空气压缩机盖板，打开MR管至辅助空气压缩机的截断塞门
【判断题】
CRH380A统型动车组常用和快速制动试验时，按照操作提示将制动手柄打到运行位，须右旋【车上试验】和【空档】旋钮
【判断题】
CRH380A统型动车组牵引变流器试验时，按照操作提示右旋【车上试验】和【空挡】旋钮，点击【确认】键开始试验
【判断题】
CRH380A统型动车组1单元扩展供电：选择1U，选择电源切换（ACK2合），点击设定，供电分类信息显示ACK2闭合，扩展供电完成
【判断题】
CRH380A统型动车组1号目视检查各车厢座席下回风口、通过台处配电柜旁回风口、监控室内回风口、乘务员室内回风口、厕所废排口、司机室边柜处回风口滤网安装状态良好、无变形，破损及变形的滤网需进行更换
【判断题】
CRH380A统型动车组换气装置逆变器滤网清洁，2号搭设人字梯，确保人字梯搭设稳固，作业过程中监护梯子状态
【判断题】
CRH380A统型动车组换气装置逆变器滤网清洁，1号将滤网安装，装上开口销、锁紧搭扣；检查确认滤网安装状态良好
【判断题】
CRH380A统型动车组换气装置及逆变器检查、清洁：检查废排出风口风量调节板安装状态良好
【判断题】
CRH380A统型动车组CRH380A统型动车组端部新风滤网清洁：用棘轮扳手拆卸端部新风风道下面的4个螺栓，打开弹簧销
【判断题】
CRH380A统型动车组端部新风滤网清洁：用棘轮扳手和13mm的套筒安装相应风道滤网螺栓，然后用扭矩扳手紧固螺栓，紧固扭矩为15N.m，涂画防松标记
【判断题】
CRH380A统型动车组应急通风装置检查及清洁：断开各车配电盘内的“应急通风电源”开关
【判断题】
CRH380A统型动车组目视检查蹲便器蝶阀关闭严密，若有泄漏，调整便器蝶阀动作气缸。检查方法：车上，向便斗倒入适量清水，观察水位，若没有变化，说明密封良好
【判断题】
CRH380A统型动车组双针压力表更换：关闭对应车厢车端连接处的总风管截断阀，排空该车厢风管内的压力。目视确认双针压力表显示为零
【判断题】
CRH380A统型动车组司机室电压表更换：断开司机室配电盘内“电压表”、“接触网电压表”、“电压表照明”空开
【判断题】
CRH380A统型动车组目视检查内风挡无破损，手动检查拉力弹簧无松弛、脱落、变形
【判断题】
CRH380A统型动车组目视检查内风挡护板无变形、破损，护板移动滚珠无磨损，磨耗胶皮无脱落、破损
【判断题】
CRH380A统型动车组对车顶板进行清洗。清扫车顶，清除防滑带杂物，清除车顶焊接夹杂的杂物
【判断题】
CRH380A统型动车组动车组达到 30km/h 以上时侧拉压紧装置会启动，将门和车体压紧密贴，保证气密性
【判断题】
CRH380A统型动车组压紧装置是通过油压动力缸来顶住侧门，将门和车体压紧密贴，保证车内的气密性
【判断题】
《CRH380A统型动车组二级检修计划表》中所列检修周期的项目由预防性检修和更正性检修两部分组成
【判断题】
CRH380A统型动车组接地电阻检查及测量，棘轮扳手配合17mm套筒拆下2500和2500A线，用万用表测量接地电阻阻值，阻值0.5±0.05Ω
【判断题】
CRH2A统型动车组一级检修保压试验两端都需试验，试验期间用风设备停用。( )
【判断题】
CRH2A统型动车组一级检修停放制动试验，左旋停放制动旋钮至释放位，确认MON屏制动气缸压力界面1、4、5、8车“停放”显示消除。操作制动控制手柄置“B7”位，按压“紧急复位”按钮，MON屏制动信息界面“紧急”、“停放”显示消除。( )
【判断题】
CRH2A统型动车组一级检修前舱设备检查：空气管路开闭器处于关闭位，重联时重联端处于开启位；分并装置处于分割位，重联时重联端处于合并位；过渡车钩组件齐全良好。( )
【判断题】
CRH2A统型动车组一级检修检查端墙小桌板安装螺钉有无松动滑丝、翻转有无异常现象，如下翻过载力较弱时，使用M6内六角扳手调整桌板两端内六角螺栓。（过载力在10-12Kg在范围内）( )
【判断题】
CRH2A统型动车组轮缘厚度一级检修限度是26mm≤e≤33mm。( )
【判断题】
CRH380A统型动车组牵引中心销与横向挡距离一级检修限度是20mm-22mm。( )
【判断题】
CRH2A统型动车组二级检修辅助空压机检查作业中，当辅助空压到780±10kpa时，准备未完亮红灯，启动辅助空压机，当风压力在880±10kPa时，辅助空压机停止工作。（ ）
【判断题】
CRH2A统型动车组一级检修周期为≤4000+400公里或运用48小时.
【判断题】
测量隔离开关闸刀磨合处厚度，在自由状态下两弹簧片间距离≤7.5mm，闸刀接触部分厚度≥9mm。( )
【判断题】
CRH2A统型动车组一级检修作业中，轮对内侧距1352～1355 mm。( )
【判断题】
CRH2A统型动车组，受电弓专项检查时,检查弓角无裂纹，表面磨损纵向宽度大于4mm时更换( )
【判断题】
CRH2A统型动车组一级检修作业中原则上动车组润滑件、磨耗件、紧固件故障以及在1小时左右可以处理完毕的故障属于一级修处理的范围。( )
【判断题】
CRH2A统型动车组保压试验须保压2分钟，确认总风压力下降不得大于20kpa。（只需试验一端，试验期间用风设备停用。） （ ）
【判断题】
CRH380A统型动车组辅助电源装置在1、5、8 车。( )
推荐试题
【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?
【单选题】
— 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.
B. Don’t mention it.
C. Thanks for your compliments.
D. It's fine.
【单选题】
— 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.
【单选题】
Thank you for your invitation.___
A. It doesn’t matter.
B. It's a pleasure.
C. It's a small thing.
D. I'll appreciate it.
【单选题】
What a beautiful dress you have on today!___
A. It is suitable for me.
B. No, it isn’t.
C. You want to have one, too?
D. Thank you.
【单选题】
I think he is a good lecturer.___
A. Sorry, it doesn’t matter.
B. So do I.
C. Yes. It's a good idea
D. I don't mind
【单选题】
— What's the matter, dear?___
A. I didn't go to school.
B. I have a terrible headache.
C. I took the kids shopping today.
D. It is a beautiful dress.
【单选题】
Good morning, may I speak to Mark, please?___
A. Who's there?
B. Who's that speaking?
C. Who are you?
D. Who wants to speak to Mark?
【单选题】
Let me introduce myself. I'm Steward.___
A. What a pleasure.
B. Pleased to meet you.
C. I don't know.
D. Thanks a lot.
【单选题】
Let's go to the library this afternoon.___.
A. Yes, that's right.
B. No. I can't.
C. What about you?
D. That's a good idea.
【单选题】
What does Tom's wife do for a living?___.
A. She is a doctor.
B. Tom loves his wife.
C. She has a happy life.
D. She lives far from here.
【单选题】
How tall is your sister?___
A. She is not very well.
B. She is 28 years old.
C. She is very nice.
D. She is as tall as I am.
【单选题】
What do you think of this novel?___
A. I've read it.
B. It's well-written.
C. It was written by my uncle.
D. I bought it yesterday.
【单选题】
How much is this necklace?___
A. It's very nice.
B. It's a birthday present from my parents.
C. It costs fifty pounds.
D. It's a bargain.
【单选题】
How can I get to the cinema?___
A. It's very far.
B. Yes, there is a cinema near here.
C. It's well known.
D. Go down this street and turn left.
【单选题】
What's the matter, John?___
A. I failed my French test
B. It doesn't matter.
C. Nothing's wrong with him.
D. I don't think I can.
【单选题】
What are you majoring in?___
A. In a university.
B. Very hard.
C. Mathematics.
D. At nine in the morning.
【单选题】
Are you going on holiday for a long time?___
A. It was a long time.
B. Two weeks ago.
C. No. Only a couple of days.
D. Not long time ago.
【单选题】
Is Mary there?___
A. Speaking.
B. I'm not Mary.
C. Who are you?
D. Mary is well today.
【单选题】
What day is today?___
A. It's March 6.
B. It's a fine day today.
C. It's March.
D. It's Monday.
【单选题】
Is that seat taken?___
A. Please don't worry.
B. I don't think so.
C. Why not?
D. It's very nice.
【单选题】
Thank you for calling.___
A. Don’t mention it.
B. That's fine.
C. Nice talking to you.
D. Call back again.
【单选题】
How are you getting on today?___
A. Very well.
B. How do you do?
C. I'm a doctor.
D. Nice to have known you.
【单选题】
How's your family?___
A. Thanks all the same.
B. Thanks for calling.
C. Not too bad.
D. Don't mention it.
【单选题】
- How is it that you are late for class again?___
A. Because I missed the bus
B. By bus and then on foot
C. Yes, it is quite wrong
D. It is far from school
【单选题】
- Excuse me. Could you spare me a few minutes? - ___
A. Of course.
B. Of course not.
C. I am sorry to hear that.D.Yes. I'm busy now.
【单选题】
- It's very thoughtful of you to give me a ride. ___
A. It's my pleasure.
B. Take it easy.
C. Sure.
D. Never mind.
【单选题】
- This is heavy! What's in it? ___
A. I think you don't like it.
B. My new computer. I just bought it.
C. I'm glad you're here.
D. Are you really interested in it?
【单选题】
___ I'd like to place an order please.
A. Can I help you?
B. I can help you.
C. What are you doing?
D. Why are you doing?
