相关试题
【单选题】
在日常检查时,水平也用道尺进行检查,通常每___检查一处。
A. 6.25m
B. 6.30m
C. 6.35m
D. 6.40m
【单选题】
《铁路技术管理规程》中规定:水平的允许误差,在维修线路的正线,到发线上,不得大于___。
A. 3mm
B. 4mm
C. 5mm
D. 6mm
【单选题】
《铁路技术管理规程》中规定:水平的允许误差,在维修线路的正线,到发线上,不得大于4mm,其他线不得大于___为基准。
A. 6mm
B. 5mm
C. 4mm
D. 3mm
【单选题】
水平的变化率1m距离内,变化不得超过___。
A. 2mm
B. 1mm
C. 10mm
D. 20mm
【单选题】
线路上先是左股钢轨高,后是右股钢轨高,当前后两点的水平正负误差的代数差超过___时为三角坑。
A. 2mm
B. 3mm
C. 4mm
D. 5mm
【单选题】
在检查三角坑时,基长为6.25m,但在延长___的距离内应不允许出现三角坑。
A. 15m
B. 16m
C. 17m
D. 18m
【单选题】
在正线上当曲线半径等于或小于___时,圆曲线与直线间应设置缓和曲线。
A. 1500m
B. 2000m
C. 2500m
D. 3000m
【单选题】
在正线上当曲线半径___2000m时,圆曲线与直线间应设置缓和曲线。
A. 等于或小于
B. 等于
C. 等于或大于
D. 大于
【单选题】
圆曲线的最小长度不应小于___。
A. 14m
B. 15m
C. 16m
D. 17m
【单选题】
相邻曲线间的的夹直线的长度,在有缓和曲线时,不小于___。
A. 15m
B. 14m
C. 13m
D. 12m
【单选题】
全轴距系指一节车辆第一位轴至最后位轴之间距离,目前我国地铁车辆的全轴距最大不超过___。
A. 10m
B. 15m
C. 20m
D. 25m
【单选题】
道岔应设在直线地段,道岔端部至曲线端部的距离不宜小于___,车场线可以减少到3m。
【单选题】
正线与联络线上曲线半径小于___时,直线与圆曲线间要设缓和曲线。
A. 1300m
B. 1400m
C. 1500m
D. 1600m
【单选题】
为保证行车安全,按《地铁设计规范》规定:实设最大超高,不得大于___。
A. 100mm
B. 110mm
C. 120mm
D. 130mm
【单选题】
我国规定,允许最大未被平衡欠超高,一般为75mm,特殊情况为___。
A. 90mm
B. 95mm
C. 100mm
D. 150mm
【单选题】
城市轨道交通的现有运营线,最大外轨超高为___。
A. 90mm
B. 100mm
C. 110mm
D. 120mm
【单选题】
在困难条件下,车场线上的曲线轨距加宽,允许按不大于___。递减曲线轨道的最大轨距,应能够确保行车安全,不使之掉道。
【单选题】
曲线段,两股钢轨接头相错量不得超过___加所采用的缩短轨缩短量的一半。
A. 40mm
B. 50mm
C. 60mm
D. 70mm
【单选题】
规定按线路允许速度检算,未被平衡欠超高不得大于___,否则应进行调整。
A. 110mm
B. 120mm
C. 130mm
D. 140mm
【单选题】
联络线、出入段(场)线的最大坡度不宜大于___(均不考虑各种坡度折减值)
A. 10‰
B. 20‰
C. 30‰
D. 40‰
【单选题】
线路坡段长度不宜小于远期地铁列车长度,并应满足相邻竖曲线间的夹直线长度的要求,其夹直线长度不宜小于___。
A. 40m
B. 50m
C. 60m
D. 70m
【单选题】
隧道内和路堑地段的正线最小坡度不宜小于___。
【单选题】
地面和高架桥上正线最小坡度为___。
A. 1‰
B. 2‰
C. 3‰
D. 不受限制
【单选题】
车站站台计算长度段线路应设在___坡道上。
【单选题】
地面和高架桥上的车站站台计算长度段线路宜设在___坡道上。
【单选题】
道岔宜设在不大于___的坡道上。
A. 5%。
B. 4%。
C. 3%。
D. 2%。
【单选题】
最小坡段长度为一地铁列车长,取为___m。
A. 110
B. 120
C. 130
D. 140
【单选题】
坡度值用每___m的水平距离与线路升高或降低的数值之比的千分率来表示。
A. 3000
B. 2000
C. 1000
D. 500
【单选题】
隧道内折返线和存车线,既要保持隧道内最小的排水坡度,又需满足停放车辆和检修作业的要求,一般选取___。
A. 10‰
B. 20‰
C. 30‰
D. 40‰
【单选题】
坡段与坡段相连,规范规定,相邻两坡段的坡度值,二者代数差大于等于___时,必须在变坡点设置竖曲线。
【单选题】
竖曲线半径,一般情况下区间内为___m。
A. 2000
B. 3000
C. 4000
D. 5000
【单选题】
竖曲线半径困难地段为___m。
A. 1000
B. 2000
C. 3000
D. 4000
【单选题】
竖曲线半径站端为___m。
A. 2000
B. 3000
C. 4000
D. 5000
【单选题】
竖曲线半径辅助线为___m。
A. 2000
B. 3000
C. 4000
D. 5000
【单选题】
车站站台计算长度内和道岔范围内___竖曲线。
A. 不得设置
B. 可设置一条
C. 可设置两条
D. 可设置三条
【单选题】
钢轨垂直磨耗在钢轨顶面宽___测量。
A. 2/3处(距钢轨外侧)
B. 1/2处(距钢轨外侧)
C. 1/3处(距钢轨外侧)
D. 1/4处(距钢轨外侧)
【单选题】
___不是25m钢轨曲线标准缩短轨。
A. 24.96m短轨
B. 24.92m短轨
C. 24.88m短轨
D. 24.84m短轨
【单选题】
60kg/m钢轨高___。
A. 152mm
B. 164mm
C. 176mm
D. 192mm
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?