【单选题】
折返线、停车线在车挡前宜保持不少于___的直线段。
A. 17m
B. 18m
C. 19m
D. 20m
查看试卷，进入试卷练习
微信扫一扫，开始刷题
相关试题
【单选题】
圆曲线最小长度，在正线、联络线及车辆基地出入线上，A型车不宜小于___。
A. 22m
B. 23m
C. 24m
D. 25m
【单选题】
圆曲线最小长度，在正线、联络线及车辆基地出入线上，B型车不宜小于___。
A. 17m
B. 18m
C. 19m
D. 20m
【单选题】
每相隔2座～3座车站或___应加设渡线。
A. 1km～2km
B. 1km～3km
C. 3km～4km
D. 3km～5km
【单选题】
矩形隧道内轨道结构高度为___。
A. 530mm
B. 540mm
C. 550mm
D. 560mm
【单选题】
单线马蹄形隧道轨道结构高度为___。
A. 620mm
B. 630mm
C. 640mm
D. 650mm
【单选题】
单线圆形隧道轨道结构高度为___。
A. 710mm
B. 720mm
C. 730mm
D. 740mm
【单选题】
高架桥无砟道床轨道结构高度为___。
A. 350~370mm
B. 400~430mm
C. 450~470mm
D. 500~520mm
【单选题】
有砟道床（木枕/混凝土枕）正线内轨道结构高度为___。
A. 550~700mm
B. 600~850mm
C. 650~900mm
D. 700~950mm
【单选题】
车场库内轨道结构高度为___。
A. 200~300mm
B. 300~400mm
C. 400~500mm
D. 500~600mm
【单选题】
在超声波检测中主要应用的波形有纵波、横波和___。
【单选题】
介质中的质点的振动方向与波的传播方向互相平行的波，称为___。
【多选题】
温度应力式无缝线路，一般由___、（）、（）三部分构成。
A. 固定区
B. 伸缩区
C. 缓冲区
D. 锁定区
E. 延长区
【多选题】
轨道是由___及防爬设备组成。
A. 钢轨
B. 轨枕
C. 道床
D. 道岔
E. 联结零件
【多选题】
钢轨断面分为___、（）和（）三部分。
A. 轨头
B. 轨腰
C. 轨底
D. 护轨
E. 轨面
【多选题】
我国铁路上使用的钢轨有75kg/m、___、（），43kg/m和38kg/m等几种。
A. 60kg/m
B. 50kg/m
C. 55kg/m
D. 45kg/m
E. 35kg/m
【多选题】
钢轨接头按其性能又可分为___、（）、（）、导电接头、伸缩接头、冻结接头等。
A. 普通接头
B. 异形接头
C. 绝缘接头
D. PVC接头
E. 滑动接头
【多选题】
接头的联结形式按其相对于轨枕位置，可分为___和（）两种。
A. 悬空式
B. 承垫式
C. 相对式
D. 相错式
E. 短枕式
【多选题】
按两股钢轨接头相互位置来分，可分为___和（）两种。
A. 相对式
B. 相错式
C. 悬空式
D. 承垫式
E. 短枕式
【多选题】
接头夹板的种类主要有___、（）、（）、（）、（）等。
A. 普通夹板
B. 绝缘夹板
C. 鼓包夹板
D. 减震夹板
E. 异形夹板
【多选题】
混凝土枕按使用部位的不同，可分为___、（）及（）三种。
A. 普通混凝土枕
B. 混凝土岔枕
C. 混凝土桥枕
D. 混凝土宽枕
E. 混凝土站枕
【多选题】
地面的出入线、试车线和库外线宜采用___或（）。
A. 混凝土枕碎石道床
B. 木枕碎石道床
C. 混凝土枕整体道床
D. 木枕沥青道床
E. 坑道式道床
【多选题】
___、（）、（）、（）、（）为曲线的5个关键控制点。
A. ZH
B. HY
C. QZ
D. YH
E. HZ
【多选题】
坡度值___，（），（）。
A. 上坡为正
B. 下坡为负
C. 平坡为零
D. 上坡为负
E. 下坡为正
【多选题】
线路设备维修应贯彻“___，（），（）”的原则。
A. 预防为主
B. 防治结合
C. 修养并重
D. 安全第一
E. 防消结合
【多选题】
钢轨伤损分为___、（）和（）三类。
A. 轻伤
B. 重伤
C. 折断
D. 轻伤有发展
E. 擦伤
【多选题】
关于轨道巡视作业周期说法正确的有：___。
A. 正线开通初期3个月内每24小时巡查一遍
B. 3个月后视情况可改为每48小时巡查一遍
C. 车辆段、停车场所有线路每周巡查一遍
D. 正线开通初期3个月内每36小时巡查一遍
E. 3个月后视情况可改为每72小时巡查一遍
【多选题】
整体道床有___、（）及（）三种。
A. 钢弹簧浮置板道床
B. 减振垫浮置板道床式
C. 普通整体道床
D. 木枕碎石道床
E. 橡胶整体道床
【多选题】
关于曲线加宽说法正确的有___
A. 曲线半径R≥300时，轨距加宽为0。
B. 曲线半径150<R<300时，轨距加宽为5。
C. 曲线半径R≤150时，轨距加宽为10。
D. 曲线半径R≥300时，轨距加宽为10。
E. 曲线半径R≤150时，轨距加宽为0。
【多选题】
下列说法正确的有___
A. 50kg/m钢轨7号单开道岔及5.0m交叉渡线道岔牵引点动程为152mm。
B. 整体道床60kg/m钢轨9号单开道岔及9.0m交叉渡线道岔第一牵引点动程为160mm。
C. 整体道床60kg/m钢轨9号单开道岔及9.0m交叉渡线道岔第二牵引点动程为84mm或80mm（具体按设计图办理）。
D. 50kg/m钢轨7号单开道岔及5.0m交叉渡线道岔牵引点动程为150mm。
E. 整体道床60kg/m钢轨9号单开道岔及9.0m交叉渡线道岔第一牵引点动程为176mm。
【多选题】
关于单开道岔侧向过岔最高速度说法正确的有___
A. 7#单开道岔侧向过岔最高速度应不超过25Km/h。
B. 9#单开道岔侧向过岔最高速度应不超过35Km/h。
C. 7#单开道岔侧向过岔最高速度应不超过30Km/h。
D. 7#单开道岔侧向过岔最高速度应不超过35Km/h。
E. 9#单开道岔侧向过岔最高速度应不超过25Km/h。
【多选题】
线路标志包括___、（）、（）和（）、（）。
A. 公里标
B. 曲线标
C. 圆曲线标
D. 缓和曲线始终点标
E. 坡度标
【多选题】
信号标志（与工务有关的）包括___、（）和（）。
A. 警冲标
B. 进站预告标限速标
C. 解除限速标
D. 公里标
E. 曲线标
【多选题】
巡检人员对巡检的过程应按要求做好巡检记录，记录内容包括：___、（）、（）、（）、（）。
A. 巡检人员、巡检时间、巡检项目（内容）
B. 设备（设施）的使用状况、故障情况
C. 简单修补情况
D. 消耗材料记录、工时记录
E. 故障原因分析
【多选题】
道岔导曲线下股高于上股限值，___，（），（）。
A. 作业验收为0mm
B. 经常保养为2mm
C. 临时补修为3mm
D. 作业验收为1mm
E. 临时补修为4mm
【多选题】
进行无缝线路维修作业，必须___，（），（），按实际锁定轨温，根据作业轨温条件进行作业。
A. 掌握轨温
B. 观测钢轨位移
C. 分析锁定轨温变化
D. 除锈
E. 打磨
【多选题】
进行无缝线路维修作业，严格执行“___，（）”和“（）”制度。
A. 维修作业一夜一清
B. 临时补修作业一撬一清
C. 作业前、作业中、作业后测量轨温
D. 临时补修作业两撬一清
E. 作业前、作业后测量轨温
【多选题】
___、（）应每两周全面检查一次。
A. 正线折返道岔
B. 车辆段、停车场咽喉道岔
C. 联络线道岔
D. 停车线道岔
E. 洗车线道岔
【多选题】
缓和曲线是设置在___或（）之间的曲率连续变化的曲线。
A. 直线与圆曲线
B. 圆曲线与圆曲线
C. 直线与直线
D. 停车线与正线
E. 站线与库内线
【多选题】
接头连接零件是钢轨接头上所用的___、（）、（）、（）等的总称。
A. 接头夹板
B. 螺栓
C. 螺母
D. 垫圈
E. 弥留端子
【多选题】
浮置板道床是专门为轨道减振而设计的由___和（）组成的道床。
A. 橡胶支座
B. 混凝土浮置板
C. 减振扣件
D. 混凝土支座
E. 橡胶夹板
推荐试题
【单选题】
Death rates declined in many places, partly because of the ___ in hunger.
A. decrease
B. myth
C. obstacle
D. burden
【单选题】
In deciding whether or not a situation is safe, pilots must be taught to assume that the worst will happen, and then to ___ whether there is a risk or not.
A. absorb
B. apply
C. assess
D. occupy
【单选题】
The worker was not worried as he knew that if he gave up the job, there would be ___ opportunities for him to work somewhere else.
A. formative
B. marginal
C. vigorous
D. numerous
【单选题】
The research shows the region might ___ overheating (经济过热), but the policymakers so far appear to be relatively relaxed about the future of the economy.
A. catch a glimpse of
B. be at risk of
C. take a toll on
D. be free from
【单选题】
Measures have been taken to ensure that no student will have to ___ of college for economic reasons.
A. lay out
B. cancel out
C. drop out
D. stand out
【单选题】
Stress that is not treated can lead to significant medical illnesses, which ___ can lead to greater stress and even depression (抑郁症).
A. after all
B. in turn
C. on the contrary
D. at least
【单选题】
Narcissism (自恋) has its benefits in terms of self-belief and confidence, but it also tends to be ___ risky decision-making.
A. associated with
B. contrasted with
C. reserved for
D. relieved of
【单选题】
When Tom saw his doctor again, she suggested that maybe a more substantial lunch, like a sandwich, might ___ his desire to have snacks in the afternoon.
A. count on
B. cut back on
C. hold on to
D. contribute to
【单选题】
You shouldn’t ___ – let your children make their own decisions.
A. interact
B. abuse
C. startle
D. interfere
【单选题】
This is a huge and difficult project and if you take it up, you ___ many difficulties.
A. like to encounter
B. like encountering
C. are likely to encounter
D. are like to encounter
【单选题】
The ability to live for a long time without water is characteristic ___ the camel.
A. of
B. for
C. about
D. in
【单选题】
Rising sales is a good ___ that this product is well received in the market.
A. response
B. convention
C. indication
D. Influence
【单选题】
When tourists travel abroad, they are sometimes ___ by the local people because the tourists don’t know the real value of products.
A. turned in
B. given chase
C. wrapped up
D. ripped off
【单选题】
The professor’s lecture ___ the capacity of his young audience. They all looked puzzled at him.
A. pointed out
B. went beyond
C. contributed to
D. kept off
【单选题】
We must ___ on the amount of time we use on this project.
A. cut both ways
B. cut in line
C. cut off
D. cut down
【单选题】
We have to be very patient with this experiment. It will take time for some effects to ___ clearly.
A. build up
B. break up
C. clear up
D. show up
【单选题】
Perhaps there is a(n) ___ of truth in both theories, but few of us would ever have the opportunity to find out.
A. lump
B. substance
C. section
D. element
【单选题】
Be careful when you get along with her because she is known for her short ___.
A. temper
B. emotion
C. mood
D. feeling
【单选题】
It seems that wearing less formal clothing to school and work is becoming a(n) ___.
A. trend
B. campaign
C. goal
D. occurrence
【单选题】
You cannot correct children’s bad behavior simply with a (n) ___ or two on the hand or face.
A. slap
B. smash
C. slam
D. strike
【单选题】
Our investigations (调查) ___ something very surprising – many of the employees are underpaid and work overtime all the time.
A. reveal
B. bump
C. rip
D. frustrate
【单选题】
She was James’s faithful assistant, in whom he could have ___ confidence.
A. essential
B. automatic
C. ultimate
D. absolute
【单选题】
If you visit this website, you can ___ the categories to find information about all the universities in that area.
A. observe
B. browse
C. glance
D. look
【单选题】
Making New Year’s resolutions (计划) is a custom that still ___ in this country.
A. prevails
B. attaches
C. descends
D. launches
【单选题】
The military officers were more ___ about their own victory and therefore more willing to predict their enemy’s defeat.
A. appropriate
B. ignorant
C. negative
D. optimistic
【单选题】
___ is no doubt that overwork and much worry caused his illness.
A. It
B. There
C. Here
D. This
【单选题】
___ a day goes by that I don’t receive dozens of junk mails in my email box.
A. None
B. Usually
C. Nearly
D. Hardly
【单选题】
Please trust me. Try this new method ___.
A. you feel very relaxed
B. and you feel very relaxed
C. you will feel very relaxed
D. and you will feel very relaxed
【单选题】
John said Mom was coming back tomorrow, not next week. If this is the ___, we’ll all have to clean the house thoroughly.
A. point
B. norm
C. question
D. case
【单选题】
It is far too late for you to go out and play football, ___ the fact that it’s raining.
A. no doubt
B. despite
C. given
D. not to mention
【单选题】
However, under no circumstances should we ___ our achievements, nor should we regard our accomplishments as unimportant.
A. present
B. perceive
C. exemplify
D. exaggerate
【单选题】
Jane picked up a magazine from the bookshelf and started reading here and there ___.
A. accurately
B. randomly
C. emotionally
D. continually
【单选题】
In many Middle Eastern cultures a deadline is taken as a(n) ___, and such terms should not appear in a purchase contract with businessmen from these countries.
A. target
B. favor
C. honor
D. insult
【单选题】
He is by no means a(n) ___ man. On the contrary, he always departs from customs.
A. disgraceful
B. sophisticated
C. traditional
D. intelligent
【单选题】
Although the nuclear radiation problems remain unsolved, the government’s emphasis has been ___ from coal to nuclear.
A. intended
B. defined
C. attached
D. switched
【单选题】
The psychologist doesn’t say directly, but seems to ___ that emotional maturity and self-stimulation are the key elements for success.
A. inquire
B. imply
C. refer
D. confront
【单选题】
The top floors of a building collapsed, trapping a construction worker in the rubble (瓦砾), but he was ___ and could talk to rescuers.
A. reasonable
B. rational
C. innocent
D. conscious
【单选题】
After ___ research by the local government, officials confidently stated that this area of the sea was much safer than before.
A. extensive
B. durable
C. partial
D. extreme
【单选题】
As the world is becoming global, it is increasingly important that countries work together to ___ international trade.
A. soar
B. rise
C. facilitate
D. prompt
【单选题】
As the technology develops, it is probable that electronic books will start to ___ paper books in the near future.
A. ban
B. exchange
C. employ
D. replace
