【单选题】
和谐型电力机车受电弓升高到2m的升弓时间(自绝缘子底面)：___s。
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相关试题
【单选题】
和谐型电力机车自动制动手柄位置包括运转位、初制动(最小减压位) 、全制动(最大减压位)、___、重联位、紧急位。初制动和全制动之间是常用制动区。
【单选题】
均衡风缸控制模块ERCP中的作用电磁阀APP得电时，其作用为___。
A. 总风通均衡风缸的通路被关断，均衡风缸保压
B. 均衡风缸通大气的通路被关断，均衡风缸保压
C. 总风通均衡风缸，均衡风缸增压
【单选题】
LCDM采用液晶显示屏，带有8个功能键，用于___选择。
A. 菜单和功能
B. 电空配合模式
C. 弹停制动控制
【单选题】
和谐型电力机车均衡风缸控制模块（ERCP）本机状态下，响应自阀指令，控制均衡风缸压力及___压力。
【单选题】
和谐型电力机车的空转滑行保护、___控制等不参与重联控制。
【单选题】
16CP控制模块中的REL缓解电磁阀失电时，其作用为___。
A. 作用风缸通大气，作用风缸减压。
B. 作用风缸通大气通路被关断，作用风缸保压。
C. 总风通作用风缸，作用风缸增压。
【单选题】
制动显示屏LCDM位于司机室操纵台，通过它可进行本机/补机，___定压，列车管投入／切除，客车／货车，补风／不补风，CCBⅡ系统自检，风表值标定，故障查询等功能的选择和应用。
【单选题】
BPCP是___。
A. 均衡风缸控制部分
B. 列车管控制部分
C. 总风控制部
【单选题】
紧急制动产生后，必须将自动制动阀置于紧急位___s后才能缓解。
【单选题】
___为主变流器控制提供同步信号、为原边电压的检测和电度表的计量提供电压输入信号的电器。
【单选题】
13号管控制模块（13CP）本机状态时，侧推单独制动手柄来实现单独___压力的功能。
A. 增加制动缸压力
B. 缓解均衡风缸
C. 缓解机车制动缸
【单选题】
电力机车制动盘磨耗限度为每侧___mm，超过磨耗极限值，必须更换制动盘。
【单选题】
16CP控制模块中的REL缓解电磁阀得电时，其作用为___。
A. 作用风缸通大气，作用风缸减压。
B. 作用风缸通大气通路被关断，作用风缸保压。
C. 总风通作用风缸，作用风缸增压。
【单选题】
接受均衡风缸的控制压力产生与之相等的列车管压力，实现对列车的制动、缓解控制功能的部件是均衡风缸控制模块BPCP上的___。
A. BP作用阀
B. MV53电磁阀
C. BPCO机械阀
【单选题】
和谐型电力机车微机控制监视系统TCMS主要功能是实现机车特性控制、逻辑控制、故障监视和诊断，并将有关信息送到司机操纵台上的___。
A. 微机显示屏
B. 制动显示屏
C. 监控显示屏
【单选题】
当无动力塞门在投入位时，限制列车管给总风缸充风的压力到___kPa左右。
【单选题】
均衡风缸控制模块ERCP中的缓解电磁阀REL得电时，作用为___。
A. 均衡风缸通大气，均衡风缸减压
B. 均衡风缸通大气的通路被关断，均衡风缸保压
C. 总风通均衡风缸，均衡风缸增压
【单选题】
均衡风缸控制模块ERCP中的缓解电磁阀REL失电时，作用为___。
A. 均衡风缸通大气，均衡风缸减压
B. 均衡风缸通大气的通路被关断，均衡风缸保压
C. 总风通均衡风缸，均衡风缸增压
【单选题】
DSA200型受电弓内装有降弓装置，当弓网故障时，可___降弓保护。
【单选题】
和谐型电力机车再生制动时，逆变器工作在整流状态，___整流器工作在逆变状态，并通过中间直流回路向主变压器牵引绕组馈电，将再生能量回馈至接触网。
【单选题】
关闭Z10.23截止塞门后，会出现___。
A. 两台转向架制动缸都不上闸
B. 第2转向架制动缸不上闸
C. 第1转向架不上闸
【单选题】
在蓄电池未充电、总风无压力空气的情况下，要缓解机车弹停装置，必须___。
A. 按压司机室弹停装置缓解按钮
B. 按压气阀柜弹停模块上的缓解脉冲电磁阀
C. 手拉4个弹停风缸的缓解拉杆
【单选题】
在正常情况下，要缓解弹停装置，只需___。
A. 按压司机室弹停装置缓解按钮
B. 按压气阀柜弹停模块上的缓解脉冲电磁阀
C. 手拉4个弹停风缸的缓解拉杆
【单选题】
正常情况下，___不属于辅助变流器1供电范围。
A. 牵引电动机风机
B. 复合冷却器风机
C. 水泵
【单选题】
正常情况下，___不属于辅助变流器2供电范围。
A. 牵引电动机风机
B. 空气压缩机
C. 油泵
【单选题】
和谐型电力机车中，___属于变频变压起动的部件。
A. 牵引电动机风机
B. 空气压缩机
C. 空调
【单选题】
和谐型电力机车中，___属于恒频恒压起动的部件。
A. 牵引电动机风机
B. 油泵
C. 复合冷却器风
【单选题】
机车无火回送时，必须开放回送机车的___塞门。
【单选题】
大闸从运转位推至抑制位，列车管___。
A. 实行最大减压
B. 实行初减
C. 减压100kPa
【单选题】
大闸从运转位推至初制位，列车管减压___kPa。
【单选题】
CCBⅡ制动系统中，如果惩罚制动动作之后，大闸必须在___摆1s以上，列车管才能缓解。
【单选题】
和谐型机车在1端进行撒砂试验，机车向前运行时，位于___轴前的撒砂装置进行撒砂。
A. 1、3位
B. 4、6位
C. 1、3、4、6位
【单选题】
和谐型机车在1端进行撒砂试验，机车向后运行时，位于___轴前的撒砂装置进行撒砂。
A. 1、3位
B. 4、6位
C. 1、3、4、6位
【单选题】
在设置CCBⅡ制动系统的均衡风缸、列车管压力参数时，其误差范围不得超过___kPa。
【单选题】
CCBⅡ制动系统中，___指令不属于微处理器X--IPM发出。
【单选题】
CCBⅡ制动系统中，实现人机接口的部件是___。
A. 电子制动阀EBV
B. 制动显示屏LCDM
C. 继电器接口模块RIM
【单选题】
CCBⅡ制动系统中，直接激活操作端电子制动阀EBV的部件是___。
A. 电钥匙
B. 微处理器X--IPM
C. 微机柜TSMS
【单选题】
CCBⅡ制动系统中，通过改变均衡风缸压力产生列车管控制压力的模块是___。
A. 均衡风缸控制模块ERCP
B. 列车管控制模块BPCP
C. 13控制模块
【单选题】
列车管控制模块BPCP相当于DK-1制动机中的___。
【单选题】
CCB-Ⅱ制动系统中，实现列车制动、保压、缓解功能的模块___。
A. 均衡风缸控制模块ERCP
B. 列车管控制模块BPCP
C. 13控制模块
推荐试题
【单选题】
What does integrity mean? ___
A. You do what you do because it's fashionable.
B. You do what you do because it's politically correct.
C. You do what you do because it's right.
D. You do what you do because somebody asked you to.
【单选题】
Is there cheating in World Cup? ___
A. It's none.
B. It's rare.
C. It's some.
D. It's popular.
【单选题】
Which one of the following situations is NOT mentioned for making us upset? ___
A. Some reward we thought we deserved has been denied us.
B. Some man we helped has proved ungrateful.
C. Some man we believed to be a friend has betrayed us.
D. Some woman we believed to be a friend has spoken ill of us.
【单选题】
In which year the Tour of France was hit by a drug-taking scandal? ___
A. In 1996.
B. In 1997.
C. In 1998.
D. In 1999.
【单选题】
Cheap fake products are everywhere except ___
A. clothes.
B. cut-price DVDs.
C. cut-price CDs.
D. cosmetics.
【单选题】
What should we do after exercise? ___
A. Stretch the muscles.
B. Have a sleep.
C. Maintain high body temperature.
D. Take a shower.
【单选题】
What shouldn’t we wear when we exercise? ___
A. Properly fitted sportswear.
B. Well-fitted sneakers.
C. Tight pants.
D. Sports bra for women.
【单选题】
Which of the following is NOT good for health? ___
A. Training with a friend.
B. Slack off a fitness regimen.
C. Keep our body hydrated.
D. Take small sips every few minutes.
【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
