【判断题】
位置代码+247.10含义为：+表示位置标识，2表示CRH2型车，4表示车内右侧，7为细化的子位置，10为子安装位置。
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相关试题
【判断题】
旅客信息系统中，内外显视器的工作条件是：网络正常，系统控制器启动，系统初始化完成。
【判断题】
CRH380B辅助系统由辅助变流器、充电机、蓄电池等部件组成，为车载设备提供交流和直流电源。
【判断题】
在火警系统中，光学烟气探测器分布有：PIS机柜报警，控制机柜报警，卫生间报警，驾驶室报警。
【判断题】
通过C01.02向列车管充风应具备的条件为：有司机室占用或未启用紧急牵引；关断C14；紧急制动环路建立。
【判断题】
塞拉门分布在EC01、FC04、EC08车一位端的两侧；BC05车无塞拉门；其余车4个塞拉门。左右门对称设置共20个。
【判断题】
通过按开门按钮、按防挤压条、时间位移监控、马达电流监控方法能让塞拉门在关闭过程中重新打开。
【判断题】
中继器能够在MVB部分和MVB高速链路部分提供一个调制弱信号的接口，对信号进行放大和处理，采用电气隔离防止电磁干扰，提高MVB总线的长度和连接到MVB总线上设备的数量。
【判断题】
CRH380B型动车组诊断系统选择“1-报告”软键可调出故障描述，选择“7-更改布局”可显示故障名称，动车组静止时，可使用硬键查看相应的故障提示。动车组运行时，可使用硬键查看相应的故障提示。
【判断题】
软件保护导致车顶隔离开关锁闭，复位车顶隔离开关时必须降弓。
【判断题】
牵引变流器由防滑速度传感器、2个4象限斩波器（4QC），1个制动斩波器1个脉冲宽度调制逆变器（PWMI）组成。
【判断题】
CRH380B型动车组电压互感器的作用为：一个电压互感器有次边绕组每个绕组分别与一个受电弓连接，用于测量和监视电网接触线的电压，互感器位于受电弓与主断路器之间。
【判断题】
在牵引系统启动前的预充电的作用：主要是为连接电容Cd以及谐振电路中的Csk电容充电，防止线路闭合瞬时电流过大引起误动作或致使PWMI以及辅助供电系统工作滞后。
【判断题】
CRH380B动车组转向架防侧滚装置由可调连杆与抗侧滚扭杆组成。
【判断题】
接地轴端分为保护接地与工作接地两种，其中保护接地分布在TC02、TC07车，工作接地分布在FC04、BC05车。
【判断题】
CRH380B型动车组辅助变流器的功能是把牵引变流器中间直流环节的直流电转换为3相440V/60Hz交流电，为车载设备提供中压电源。
【判断题】
CRH380B动力转向架的L04与L15阀分布于枕梁同侧，拖车转向架的高度阀分布于转向架枕梁两侧。
【判断题】
CRH380B转向架辅助装置主要由天线、撒砂、排障器、传感器、感应接收器装置、接地装置等组成。
【判断题】
普通轴端盖M8螺栓紧固力矩为16Nm，接地轴端盖M8螺栓紧固力矩为23Nm。
【判断题】
更换防滑速度传感器时应注意安装时先预紧，然后用插尺测量传感器感应面与测速齿轮间的间隙，保证间隙在0.4到1.4mm之间。
【判断题】
空调系统制冷工况和制暖工况时出风量分配方式为蝶形阀控制。
【判断题】
通风系统主要包括混合箱和新风隔栅、送风管道系统、废排系统、回风系统四个部分。
【判断题】
空调装置由空气冷却系统、通风系统、自动控制系统系统构成。
【判断题】
各车控制面板空调旋钮开关都有关，半冷，全冷，自动，半暖，全暖，位置。
【判断题】
PIS系统总线包括音频总线、视频总线、数据总线、UIC总线。
【判断题】
充电机的三种运行状态是正常运行，AC345V47HZ；外部供电，AC380V50HZ；停放整备状态AC440V60HZ。
【判断题】
电器柜内控制客室空调系统的空开是61-F16,61-F30。
【判断题】
旅客信息系统从功能上可分为信息显示子系统、通告与通讯子系统、影音娱乐子系统三个子系统。
【判断题】
TC02车有3个烟感探头，电器柜一个，卫生间、PIS柜各一个。
【判断题】
CRH380B动车组车窗更换成双框结构，可快速拆换，但接口一致，可互换。
【判断题】
CRH380B动车组设置双手柄模式，左手操作制动手柄、右手操作牵引手柄。司机左手常握制动手柄，以便紧急情况下，可以快速反应，实施列车制动。
【判断题】
CHR380B蓄电池分布在4、5车下，单节电压等级1.2V，蓄电池组电压等级110V。
【判断题】
CRH380B动车组外端门与CRH3C结构一致，可互换。
【判断题】
CRH380B车顶隔离开关分布在2、7车，在正常情况下处在闭合状态，当发生故障时隔离开关将车顶电缆隔离。
【填空题】
1. ___是站段一体化管理的牵头单位，在技术科{部}设一体化管理办公室。
【填空题】
2. CRH380B 动车组制冷和采暖流量的转换是通过___来实现。
【填空题】
3. CRH380B/BL 动车组一个动车有___个减振器。
【填空题】
4. 电器柜内控制客室空调系统的空开是 61-___和 61-___ 。
【填空题】
5. CRH380B 型动车组紧急通风装置性能：当动车组发生断电，空调系统不能正常运行时自动启动，用来维持___，最长可维持___分钟。
【填空题】
6. 牵引变流器由 2 个 ___{4QC}、___、1 个制动斩波器、1 个脉冲宽度调制逆变器{PWMI}组成。
推荐试题
【单选题】
What does the speaker do? ___
A. Public relations consultant.
B. Home cook.
C. Website administrator.
D. Writer.
【单选题】
Which is NOT included in the speaker’s favorite breakfasts? ___
A. Egg.
B. Prosciutto.
C. Papaya.
D. Cabbage.
【单选题】
When do the students start learning Chinese? ___
A. Since kindergarten
B. Since elementary school
C. Since middle school
D. Since high school
【单选题】
When can the students continue studying Chinese? ___
A. In elementary school and middle school.
B. In middle school and high school.
C. In high school and university
D. After the university.
【单选题】
How many American students are currently learning Chinese? ___
A. About 22,000
B. About 24,000
C. About 44,000
D. About 2,400
【单选题】
How much did the Defense Department give Oregon schools? ___
A. $70,000
B. $1.3 million
C. $700,000
D. $1.3 billion
【单选题】
What’s Isabel Weiss’s purpose of learning Chinese? ___
A. For fun
B. For more opportunities for jobs
C. For more opportunities of making money
D. For more opportunities for promotions
【单选题】
What ability do the standardized tests reward to? ___
A. Think.
B. Create.
C. Quickly answer superficial questions.
D. Above all.
【单选题】
In what ways the IQ scores can be changed? ___
A. Training.
B. Nutrition.
C. More friendly people administered the test.
D. Above all
【单选题】
What do schools focus on? ___
A. Concepts.
B. Science.
C. Social Studies.
D. Foreign languages.
【单选题】
Why tests and standards are a necessary fact of life? ___
A. They protect us from hazardous products.
B. They protect us from inept drivers.
C. They protect us from shoddy professionals.
D. Above all.
【单选题】
How many percent did the scores on statewide tests rise? ___
A. 4%.
B. 14%.
C. 40%.
D. None.
【单选题】
What was the woman’s reaction when she was nominated? ___
A. She was surprised at the nomination.
B. She was calm at the nomination.
C. She was indifferent to the nomination.
D. She was scared of the nomination.
【单选题】
According to the woman, who paid for her trip to San Francisco? ___
A. Her trip to San Francisco was sponsored by the Academy.
B. Her trip to San Francisco was paid for by her company.
C. Her trip to San Francisco was paid for by her family.
D. Her trip to San Francisco was paid for by herself.
【单选题】
What is the name of George Miller’s new movie? ___
A. Happy Feeling.
B. Happy Dancing.
C. Happy Foot.
D. Happy Feet.
【单选题】
Which name is not mentioned in the film? ___
A. Nicole Kidman.
B. Hugh Jackman.
C. George Clooney.
D. Robin Williams.
【单选题】
Which of the following statement is not true about “Life in the Freezer”? ___
A. It was a documentary film.
B. It was made by National Geographic and the BBC.
C. It was a story of the amazing life of Emperor penguins.
D. The
E. mperor penguin sang to each other to find a mate and made friends.
【单选题】
What should you do during a high-pressure periods? ___
A. Lock yourself in a room with your work.
B. Leave your work and go on a vocation.
C. Tell your boss you can’t finish your work.
D. Get together with people who will revitalize and inspire you.
【单选题】
Which of the following is the correct description of TempWorld? ___
A. The era of guaranteed jobs is history.
B. We are all temporary workers.
C. You have to equip yourself with the skills.
D. All of the above.
【单选题】
What should a career activist do? ___
A. Being a career activist means concentrating on daily business.
B. Being a career activist means you can do a business as long as it meets your short-term needs.
C. A career activist should take the long view of his career.
D. A career activist should plan everything in advance.
【单选题】
What should you do in the TempWorld? ___
A. In TempWorld you must withstand disappointment, juggle stressful situations, and handle pressure.
B. You must learn from your setbacks and use them to your advantage in the future.
C. Things always go well for successful people because they are honest.
D. Both A and B.
【单选题】
Which of the following statements is Not True? ___
A. Your boss may be willing to change his behavior than your think.
B. Some managers don’t care how much their words or actions upset staffers.
C. You should tell your managers how their outbursts make you feel.
D. If the boss values your work, he may stop his abusiveness.
【单选题】
Which of the following public places is NOT mentioned that have banned mobiles? ___
A. restaurants
B. gas stations
C. theatres
D. museums
【单选题】
What happened when the cellphone of the speaker’s friend rang? ___
A. His friend answered the phone and the speaker became invisible to his friend.
B. They answered the phone together.
C. The speaker threw away his friend’s cellphone.
D. His friend hung up the phone and kept talking to the speaker. (C)
【单选题】
What happened to the man? ___
A. He had a car accident.
B. He had his arms broken.
C. He lost his mobile phone.
D. He was not able to use his mobile because he was in a remote area.
【单选题】
Which of the following is NOT true? ___
A. Today there are about 400 million cellphone owners.
B. Today there are about 300 million Personal Computer subscribers.
C. Cellphones will be more often used.
D. Cellphones will completely replace Personal Computers.
【单选题】
Which of the following is true? ___
A. Ellen Johnson-Sirleaf stayed in her country during the nation’s civil war.
B. She is still working for the United Nations.
C. She is the first woman ever elected president of an Asian country.
D. She is a Liberia.
【单选题】
What do you know about the solar eclipse? ___
A. Only hundreds of people gazed at it.
B. It was caused by the earth passing in front of the moon.
C. It was not often seen.
D. It started in Mongolia and ended in Brazil.
【单选题】
What is true about this meeting between the USA and China? ___
A. It was a meeting between Xi Jinping and Donald Trump.
B. It was the first time that the Chinese president had visited the United States.
C. The issue of the Olympics was discussed.
D. South Korea’s nuclear weapons program was discussed.
【单选题】
In which year did the station’s first permanent crew arrived? ___
A. 1998
B. 2000
C. 2002
D. 2003
【单选题】
If elected, ________________. ___
A. Richardson would be the first Hispanic President.
B. Clinton would be the first African-American President.
C. Romney world be the first Hispanic President.
D. Clinton would be the first Mormon President.
【单选题】
What are the things that the speaker’s inner and outer life based on? ___
A. Money
B. Health
C.
D. elicious food
【单选题】
What kind of things has its own reason for existing? ___
A. Questioning
B. The structure of reality
C. Curiosity
D. The mysteries of eternity
【单选题】
Who are so full of doubts? ___
A. Fools and fanatics
B. Wise people
C. Professors
D. University students
【单选题】
To the speaker, what kind of things always win in life? ___
A. Truth and love
B. Power and status
C. Great minds
D. Money and material
【单选题】
What’s the key word of the speaker? ___
A. Love
B. Power
C. Freedom
D. Curiosity
【单选题】
What happened to the man? ___
A. He committed identity theft.
B. He was put in prison.
C. He reported a case of theft to police.
D. He robbed a bank.
【单选题】
What is the attitude of Mrs. Washington? ___
A. She tries to cover up for little George.
B. She thinks Mr. Washington should not ask George directly.
C. She encourages George to chop down the tree.
D. She thinks Mr. Washington should put the blame on the sharp axe.
【单选题】
What do Nancy’s colleagues think about her transgender transition? ___
A. They think it is ridiculous.
B. They make a big fuss about it.
C. They take it lightly.
D. They are sympathetic.
【单选题】
What are the two women talking about? ___
A. They are talking women’s liberation.
B. They are talking about an ideal husband.
C. They want a rewarding job.
D. They are talking about women’s choice between family and career.
