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【判断题】
兆欧表内设有游丝,不转动发电机手柄时,指针停留在标度尺的无穷大处
A. 对
B. 错
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答案
B
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当电压显示低于44伏,单个蓄电池电压低于1、8伏时,应根据情况施行补充电或更换
A. 对
B. 错
【判断题】
碱性蓄电池电解液液面须高出极板50-60毫米
A. 对
B. 错
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电气原理图中所有电器的触点,都按没有通电和没有外力作用时的状态画出
A. 对
B. 错
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造成20人以上死亡为特别重大事故
A. 对
B. 错
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造成400万元上1亿元以下直接经济损失为重大事故
A. 对
B. 错
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造成客运列车脱轨18辆以上为重大事故
A. 对
B. 错
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客运列车中途摘车2辆以上为一般A类事故
A. 对
B. 错
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动车组中破1辆以上为较大事故
A. 对
B. 错
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中断繁忙其他干线铁路行车6小时以上为重大事故
A. 对
B. 错
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繁干线行车中断1小时以上为一般B类事故
A. 对
B. 错
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客车大破1辆为较大事故
A. 对
B. 错
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列车运行中刮坏行车设备设施为一般D类事故
A. 对
B. 错
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客运列车分离为一般C类事故
A. 对
B. 错
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机车、客车、动车组等主要设备的报废、调拨及其重大的结构改变须经铁道部批准
A. 对
B. 错
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我国铁路车辆的检修制度是以预防性计划检修为主的检修制度
A. 对
B. 错
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人员死亡3人或重伤5人及其以上的属重大事故
A. 对
B. 错
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行车事故一般分为特别重大事故,重大事故,大事故,险性事故和一般事故五类
A. 对
B. 错
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区间接触网导线离钢轨顶面的高度是5。7m
A. 对
B. 错
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有人触电时,首先应尽快使触电人脱离电源,此后采取相应的急救措施
A. 对
B. 错
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严禁任何人员在电气设备处所倚靠和坐卧
A. 对
B. 错
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从停留车辆的端部横过线路时,要留有安全距离:徒手通过时不少于3M
A. 对
B. 错
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在接触网带电的情况下,禁止用水管冲洗客货车辆
A. 对
B. 错
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客车运行途中,出现电器装置打火,冒烟时必须立即停车处理
A. 对
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为了在操作电气设备时保证安全,必须采用各种保护用具
A. 对
B. 错
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库停或站停客车插拔外接电源时严禁带电作业
A. 对
B. 错
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采用屏蔽是抑制辐射干扰的有效办法
A. 对
B. 错
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任何电气设备和线路,未经本人验电,一律视为有电
A. 对
B. 错
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空调配电室内除车辆人员外,其他人不得堆放杂物
A. 对
B. 错
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空气的绝对湿度越大,空气越潮湿
A. 对
B. 错
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空调客车在运行中途或遇特殊情况必须带电作业时,可以单独进行作业
A. 对
B. 错
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发生电气火灾,不应用水扑救,而应使用泡沫灭火器救火
A. 对
B. 错
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只要人体不接触带电体,就不会触电
A. 对
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新造客车车电装置安装完毕后,对交流配线应使用1500V,50Hz交流电进行耐压试验
A. 对
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电子防滑器控制电源是48V直流电
A. 对
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在接触网未停电、未接地而处理车辆故障距接触网带电部分不足1m时,必须在无接触网线路上或按规定办理接触网停电手续后,方准进行作业
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如果MGS电子防滑器上显示“7。2”时,表明轮对的车轮防滑出错
A. 对
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利用接触网供电的空调客车,其照明电源采用单相220V交流电
A. 对
B. 错
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用沙土灭火时,距接触网2M以上者,可不停电
A. 对
B. 错
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旅客列车运行途中,严禁关闭电子防滑器装置、轴温报警装置和其他报警装置
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25T客车逆变器工作时输出电压AC380V±10%,工作频率50HZ±1HZ
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推荐试题
【单选题】
Lie detectors are widely used in the United States because _____________. ___
A. they can help detect people’s emotional stress
B. they can help detect people's physiological changes
C. they can help find out whether a person is telling the truth or not
D. they can measure the subject’s electrical resistance
【单选题】
According to the passage, we know that Britain______________. ___
A. will adopt lie detectors widely
B. will adopt lie detectors on a smaller scale
C. adopt lie detectors
D. has not decided whether to adopt lie detectors or not
【单选题】
The tests themselves are by no means free from error..." (Line 1-2.Para.3) means ____________. ___
A. the tests definitely have no error
B. the tests sometimes make mistakes
C. the polygraphers do not make mistakes
D. the polygraphers can avoid error by using some techniques
【单选题】
Which of the following is true? ________________ ___
A. The tests are conducted by qualified polygraphers.
B. Innocent people may blush or stammer when questioned.
C. Guilty people can definitely be found out by answer questions
D. Guilty people may escape by refusing to answer questions.
【单选题】
What troubles lie detector researchers most is that _______________. ___
A. innocent people are convicted crimes
B. innocent people will learn to tell lies
C. lie detectors may cause industrial unrests
D. lie detectors are sometimes not dependable
【单选题】
In the passage the author's attitude towards "mixed-ability teaching" is _______. ___
A. critical
B. questioning
C. approving
D. objective
【单选题】
By "held back" (Line 1) the author means _____. ___
A. made to remain in the same classes
B. forced to study in the lower classes
C. drawn to their studies
D. prevented from advancing
【单选题】
The author argues that a teacher's chief concern should be the development of the student's _________. ___
A. personal qualities and social skills
B. total personality
C. learning ability and communicative skills
D. intellectual ability
【单选题】
Which of the following is NOT MENTIONED in the third paragraph? __________ ___
A. Group work gives pupils the opportunity to learn to work together with others.
B. Pupils also learn to develop their reasoning abilities.
C. Group work provides pupils with the opportunity to learn to be capable organizers.
D. Pupils also learn how to participate in teaching activities.
【单选题】
The author's purpose in writing this passage is to ______. ___
A. argue for teaching bright and not-so-bright pupils in the same class
B. recommend pair work and group work for classroom activities
C. offer advice on the proper use of the library
D. emphasize the importance of appropriate formal classroom teaching
【单选题】
According to the author, the deaths among youth are mainly caused by _____. ___
A. traffic accidents
B. smoking-related diseases
C. murder
D. all of these
【单选题】
Every day there are over_____high school students who will become regular smoker. ___
A. 75
B. 23
C. 30
D. 3000
【单选题】
By "dropout" the author means______. ___
A. students who failed the examination
B. students who left school
C. students who lost their way
D. students who were driven out of school
【单选题】
The reason for declining adolescent smoking is that ________. ___
A. NCI has taken effective measures
B. smoking is prevented among high school seniors
C. there are many smokers who have died of cancer
D. not stated
【单选题】
What is implied but not stated by the author is that ________. ___
A. smoking rates among youth have declined very little
B. there are now more female than male smokers among high school seniors
C. high smoking rates are due to the increase in wealth
D. smokers at high school are from low socio-economic backgrounds
【单选题】
According to the passage, which of the following is NOT a disadvantage of part time education? _______________ ___
A. It requires some break in one's career.
B. It tends to last too long for many people to complete a degree program.
C. It affects one's career.
D. It gives the student less time to share with the family.
【单选题】
Which of the following is NOT an advantage of distance learning? _________ ___
A. The student may choose his or her own pace.
B. The student may study at any time to his or her convenience.
C. They can pursue their chosen career while studying.
D. Their tutorial assistance comes through regular airmail, telephone, etc.
【单选题】
What benefit will distance learning program bring to a business? __________ ___
A. Recruitment of more talented people.
B. Good image of the business.
C. Better cooperation with universities.
D. Further training of employees and business growth.
【单选题】
Good distance learning program have the following characteristic EXCEPT______. ___
A. distance learning course is the same as students taking courses in campus
B. the degree should be same as on campus study
C. professor-student relationship is strictly one to one all through the course
D. includes subject evaluation tool
【单选题】
What benefit will distance learning bring to an employee of a business? ___________ ___
A. Professional growth.
B. Good relationship with the employer.
C. Good impression on the employer.
D. Higher salary.
【单选题】
In the first paragraph, what does "plastic money" (Line 6, Para.1) refer to? ______ ___
A. Dollars.
B. Online payment.
C. Credit cards.
D. Coins.
【单选题】
Which of the following is NOT true about credit cards? ____________ ___
A. Shopkeepers, among others, object to the use of credit cards because they add on the cost of the merchandise.
B. Credit card holders actually pay for their goods after the purchase has been completed.
C. The national company enjoys extensive growth because of the use of credit cards.
D. It has had the effect of increasing consumption.
【单选题】
What is the disadvantage of credit cards? _____________ ___
A. It may lead to the overgrowth of the national economy.
B. The delay in the payment of shopping goods may bring damage to shopkeepers' profits.
C. Some people may intentionally purchase goods that they cannot possibly afford.
D. Those who pay by cash at the purchase will have to pay for the cost added to the product as the interest charge of credit cards.
【单选题】
What is the main topic of the text? ________________ ___
A. Advantages and Disadvantages of Credit Cards.
B. Economic Growth Backed up by the Use of Credit Cards.
C. It can encourage great sums of consumption.
D. Credit Cards Make Life
E. asier.
【单选题】
The author's attitude towards credit card is.______________. ___
A. agreeable
B. neutral
C. humorous
D. oppositional
【单选题】
不含有割地内容的不平等条约是___。
A. 《南京条约》
B. 《北京条约》
C. 《马关条约》
D. 《辛丑条约》
【单选题】
在甲午战争后,严复翻译的《天演论》所宣传的重要思想是___。
A. “师夷长技以制夷”
B. “中学为体,西学为用”
C. “天下兴亡,匹夫有责”
D. “物竞天择,适者生存”
【单选题】
火烧圆明园发生在___期间。
A. 鸦片战争
B. 第二次鸦片战争
C. 甲午战争
D. 八国联军侵华战争
【单选题】
规定允许外国在中国办工厂的条约是___。
A. 《南京条约》
B. 《北京条约》
C. 《马关条约》
D. 《辛丑条约》
【单选题】
1895 年,日本强迫清政府签订___,割去台湾全岛及所有附属岛屿和澎湖列岛。
A. 《南京条约》
B. 《北京条约》
C. 《马关条约》
D. 《辛丑条约》
【单选题】
近代以来中国反侵略战争失败的最根本原因是___。
A. 帝国主义的强大
B. 社会制度的腐败
C. 经济技术的落后
D. 中国军队军事素质低下
【单选题】
鸦片战争以清政府的失败而告终。1842 年 8 月 29 日,清政府与英国签订了中国近代史上的第一个不平等条约是___。
A. 中英《虎门条约》
B. 中英《南京条约》
C. 中美《望厦条约》
D. 中法《黄埔条约》
【单选题】
在近代中国,规定中国向列强支付赔款最多的条约是___。
A. 《南京条约》
B. 《北京条约》
C. 《马关条约》
D. 《辛丑条约》
【单选题】
到___的订立为止,庞杂的不平等条约体系已宣告中国半殖民地社会的完全形成。
A. 《天津条约》
B. 《北京条约》
C. 《辛丑条约》
D. 《马关条约》
【单选题】
德国元帅瓦德西说:“无论欧、美、日本各国,皆无此脑力与兵力,可以统治此天下生灵四分之一,故瓜分一事,实为下策。”这表明___。
A. 帝国主义已灭亡中国
B. 帝国主义之间相互勾结
C. 帝国主义瓜分中国图谋的破产
D. 帝国主义之间的矛盾
【单选题】
帝国主义列强掀起瓜分中国的狂潮是在___。
A. 中日甲午战争爆发后
B. 第一次鸦片战争爆发后
C. 八国联军战争爆发后
D. 第二次鸦片战争爆发后
【单选题】
下面表述不正确的是___。
A. 中国人民的反侵略战争,激起了帝国主义列强的侵华野心。
B. 中国人民的反侵略战争,使我们的国家和民族历尽劫难、屡遭侵略而不亡。
C. 中国人民的反侵略战争表现出来的爱国主义精神,铸成了中华民族的民族魂。
D. 中国人民反侵略战争的失败,从反面教育了中国人民,极大地促进了中国人的思考、探 索和奋起,反侵略战争的过程,是中华民族逐步觉醒的过程。
【单选题】
列强未能瓜分中国的最根本原因是___。
A. 列强之间的矛盾
B. 国际舆论的谴责
C. 中华民族不屈不饶的反侵略斗争
D. 清政府的妥协
【单选题】
魏源在其___中,提出了“师夷长技以制夷”的思想,主张学习外国先进的军事和科学技术,以期富国强兵,抵御外国侵略,开创了中国近代向西方学习的新风。
A. 《四洲志》
B. 《盛世危言》
C. 《夷情备采》
D. 《海国图志》
【单选题】
近代中国睁眼看世界的第一人是___。
A. 林则徐
B. 李鸿章
C. 郑观应
D. 魏源
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