刷题
导入试题
【单选题】
(71325)电力连接线的电缆线芯的长期允许工作温度不得超过( )。(1.0分)___
A. 60 ℃
B. 70 ℃
C. 55 ℃
D. 65 ℃
查看试卷,进入试卷练习
微信扫一扫,开始刷题
答案
C
解析
暂无解析
相关试题
【单选题】
(71326)安装式指示仪表的系列代号为( )的是电磁系仪表。[222110228](1.0分)___
A. C
B. T
C. D
D. G
【单选题】
(71327)运用列车质量鉴定时,列车等级分四档,B级列车为( )。(1.0分)___
A. 800~899分
B. 900~1 000分
C. 700~799分
D. 600~699分
【单选题】
(71328)BSP青藏车空调机组的送风温度控制器探头设于( )下部。(1.0分)___
A. 新风过滤网
B. 第一节主送风道(即一位端过渡风道)
C. 回风口
D. 送风口
【单选题】
(71329)用电流表测量电流时,应将电流表与被测电路连接成( )方式。[322110218](1.0分)___
A. 串联
B. 并联
C. 串联或并联
D. 混联
【单选题】
(71330)测量电压时,对电压表的要求是( )。[233110206](1.0分)___
A. 与电路串联,内阻大些
B. 与电路串联,内阻小些
C. 与电路并联,内阻大些
D. 与电路并联,内阻小些
【单选题】
(71331)25T型客车A3级修程即( )。(1.0分)___
A. 安全检修
B. 40万km段修
C. 80万km段修
D. 大修
【单选题】
(71332)铁路局管内运行的旅客列车可按走行公里确定入库检修周期,原则上运行( )须入库检修一次。(1.0分)___
A. 2 000 km
B. 3 000 km
C. 4 000 km
D. 5 000 km
【单选题】
(71333)为减小测量误差,对电流表和电压表的内阻要求是( )。[233110206](1.0分)___
A. 电流表内阻大,电压表内阻小
B. 电流表内阻小,电压表内阻大
C. 电流表和电压内阻都小
D. 电流表和电压表内阻都大
【单选题】
(71334)运行到华东、华中、华南、西南的客车,每年在( )前,完成客车电扇和独立供电空调客车的安装调试工作。(1.0分)___
A. 4月1日
B. 5月1日
C. 6月1日
D. 7月1日
【单选题】
(71335)25K型客车检修规程规定:TGN3型和TGN3A型客车逆变电源装置试验时接入DC 600 V电源,短接电源控制柜( )线,接通DC 600 V电源,开启逆变电源。(1.0分)___
A. 3号、15号
B. 40号、200号
C. 41号、198号
D. 43号、188号
【单选题】
(71336)车辆段应设质量检查机构,质量检查机构应( )对全部运用列车进行质量检查和鉴定。(1.0分)___
A. 每月
B. 每季
C. 每半年
D. 每年
【单选题】
(71337)25K型客车检修规程规定:电机在额定电压下进行试验,空载转速和电流须为额定值;在40 ℃及以下负载运转1 h,转子轴承温度不超过( )。(1.0分)___
A. 70 ℃
B. 65 ℃
C. 60 ℃
D. 80 ℃
【单选题】
(71338)BSP客车蓄电池充电机电路控制板上电位器RP2的作用是( )。(1.0分)___
A. 调整输出电流反馈大小
B. 调整电流给定
C. 调节输出电压大小
D. 调节温度补偿电压反馈度
【单选题】
(71339)鉴定列车在( )内发生险性及以上责任行车事故的,取消鉴定评比资格。(1.0分)___
A. 月
B. 季
C. 半年
D. 一年
【单选题】
(71340)BSP客车蓄电池充电机电路控制板上电位器RP4的作用是( )。(1.0分)___
A. 调整输出电流反馈大小
B. 调整电流给定
C. 调节输出电压大小
D. 调节温度补偿电压反馈度
【单选题】
(71341)( )是运用客车维修与保养的主体,承担着客车入库检修、辅修、A1修和客车整修等工作。(1.0分)___
A. 库列检
B. 客列检
C. 车辆包乘组
D. 质量检查组
【单选题】
(71342)在使用万用表的R×100 挡位测量电阻时,在标度尺上的指针读数是21.5,则被测电阻的实际值为( )。[322120219](1.0分)___
A. 21.5
B. 2150
C. 0.215
D. 215
【单选题】
(71343)硬座车的基本记号为( )。(1.0分)___
A. YW
B. YZ
C. RZ
D. RW
【单选题】
(71344)属客列检不摘车修范围的故障,未做处理或摘车处理为( )责任。(1.0分)___
A. 库列检
B. 客列检
C. 车辆包乘组
D. 质量检查组
【单选题】
(71345)软卧车的基本记号为( )。(1.0分)___
A. YW
B. YZ
C. RZ
D. RW
【单选题】
(71346)无客列检作业时,车端电气连接线的摘解,由( )负责。(1.0分)___
A. 客列检人员
B. 机车乘务组
C. 车辆乘务员
D. 调车人员
【单选题】
(71347)行李车的基本记号为( )。(1.0分)___
A. UZ
B. CA
C. XL
D. RZ
【单选题】
(71348)旅客列车运行途中甩挂车辆时,车辆的摘挂、软管的摘解,由( )负责。(1.0分)___
A. 客列检人员
B. 机车乘务组
C. 车辆乘务员
D. 调车人员
【单选题】
(71349)客车转向架中,不能用于快速车的是( )。(1.0分)___
A. 209HS型
B. 206KP型
C. 206G型
D. SW-160型
【单选题】
(71350)发生双管供风设备故障或用单管供风机车救援接续牵引时,( )根据命令将编组客车风管路改为单管供风状态。(1.0分)___
A. 客列检人员
B. 机车乘务组
C. 车辆乘务员
D. 调车人员
【单选题】
(71351)使用万用表测量电压或电流时,应使指针在刻度的( )位置上,该数才能较准确。[222120219](1.0分)___
A. 1/2~3/4
B. 1/3~2/3
C. 1/2~2/3
D. 1/3~1/2
【单选题】
(71352)安装有客车发电机和蓄电池等全套电源装置,能独立供电的客车叫( )。(1.0分)___
A. 母车
B. 无车
C. 子车
D. 游车
【单选题】
(71353)运用列车每月应定期排除列车首尾各( )客车风缸内的积水。(1.0分)___
A. 1辆
B. 2辆
C. 3辆
D. 4辆
【单选题】
(71354)YW22型48 V电压制配电盘终夜灯熔断器容量是( )(1.0分)___
A. 10 A
B. 15 A
C. 20 A
D. 25 A
【单选题】
(71355)车间干部应 ( )检查《旅客列车技术状态交接簿》(车统—181)情况并签字。(1.0分)___
A. 每天
B. 每星期
C. 每月
D. 每季
【单选题】
(71356)蓄电池施行准放电时,以( )放电。(1.0分)___
A. 3 h率
B. 6 h率
C. 9 h率
D. 12 h率
【单选题】
(71357)在万用表表笔未接入时的调零叫( )。[222110219](1.0分)___
A. 机械调零
B. 电位器调零
C. 机械和电位器调零
D. 欧姆调零
【单选题】
(71358)运用列车质量鉴定时,列车等级分四档,D级列车为( )。(1.0分)___
A. 800~899分
B. 900~1 000分
C. 700~799分
D. 600~699分
【单选题】
(71359)万用表测量电阻时,其指针越接近( )位置读数越准确。[222110519](1.0分)___
A. 1/3
B. 2/3
C. 3/4
D. 1/2
【单选题】
(71360)TG450蓄电池施行准放电时,终止电压是( )。(1.0分)___
A. 1.75 V
B. 1.9 V
C. 2.15 V
D. 2.25 V
【单选题】
(71361)造成( )为重大事故。(1.0分)___
A. 30人以上死亡
B. 10人以上30人以下死亡
C. 3人以上10人以下死亡
D. 3人死亡
【单选题】
(71362)使用兆欧表测量绝缘电阻时,在测试( )应对设备充分放电。[322110519](1.0分)___
A. 时不
B. 前后
C. 前
D. 后
【单选题】
(71363)造成( )为较大事故。(1.0分)___
A. 1亿元以上的直接经济损失
B. 5 000万以上1亿元以下的直接经济损失
C. 1 000万元以上5 000万以下的直接经济损失
D. 500万元以上1 000万以下的直接经济损失
【单选题】
(71364)钳形电流表是由( )和带整流装置的磁电系表头组成的。[212110223](1.0分)___
A. 分流电阻器
B. 电压互感器
C. 电流互感器
D. 变压器
【单选题】
(71365)轴报器出库前必须显示正常,轴与轴同侧温差不大于( )。(1.0分)___
A. 2 ℃
B. 5 ℃
C. 10 ℃
D. 12 ℃
推荐试题
【判断题】
销售净利率是20%,资产周转率是1次,权益乘数是2,则净资产收益率是40%
A. 对
B. 错
【判断题】
一般认为,资本保值率越高,表明企业的资本保全状况越好,所有者权益增长越快,债权人的债务越有保障
A. 对
B. 错
【判断题】
13
A. 对
B. 错
【判断题】
如果企业的负债资金的利息率低于其资产报酬率,则提高资产负债率可以增加所有者权益报酬率
A. 对
B. 错
【判断题】
资产净利率=销售净利率×资产周转率
A. 对
B. 错
【判断题】
杜邦分析体系是利用各主要财务比率之间的内在联系,综合分析企业财务状况的方法。建立财务分析指标体系
A. 对
B. 错
【判断题】
沃尔比重评分法是将选定的财务比率用线性关系联系起来,并分别给定各自的分数比重,然后通过与标准比重进行比较,确定各项指标的得分及总体指标的累积分数,从而对企业的信用水平做出评价的方法
A. 对
B. 错
【填空题】
boost prospect calculate accelerate promote mystery destruction analysis insight barrier 1 In our class,most discussions and activities take place in assigned small groups,These groups provide a supportive and safe environment that () learning
【填空题】
commence,deserve,tempting, coordinate, lodge,confess, grant, proceed ,display, consequently 9 As the finance ministry rejected the defor its "lack of clarity",it[ ]complaint with the Europear Commission that this deal was against the law
【填空题】
commence,deserve,tempting, coordinate, lodge,confess, grant, proceed ,display, consequently 5 State governments and the colleges themselves have [ ] financial help to students with special abilities and those with financial needs
【填空题】
commence,deserve,tempting, coordinate, lodge,confess, grant, proceed ,display, consequently 10 Dogs cannot distinguish the color of trafficlights, so the master must make the decision of when it is safe to [ ] across the road
【填空题】
commence,deserve,tempting, coordinate, lodge,confess, grant, proceed ,display, consequently 6 The committee agreed that his papers [ ] a wider circulation because of their essential and fundamental interest to a larger audience.
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 1 Because women often restrict their diet In an effort to control weight,they may Not consume enough iron-rich food and ( ) experience an iron Deficiency.
【填空题】
commence,deserve,tempting, coordinate, lodge,confess, grant, proceed ,display, consequently 8 Americans defend the right to obtain a gun and they have[ ] been willing to turn a blind eye to the harm that people owning guns have caused
【填空题】
commence,deserve,tempting, coordinate, lodge,confess, grant, proceed ,display, consequently 7 The anger and frustration [ ] by the local people who do not understand what is happening to them will be a terrible and dangerous force
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 2 Some reform advocates ignore the impact of Class size on student achievement,and they are ( ) what they call as a Priority:teacher effectiveness.
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 3 Because of easy access to the Internet,the New breakthrough tq create something Truly creative ( ) happen anytime now.
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 4 Indeed,if teachers want to( ) how far students might get in life, a better measurement than grades might be how hard the students try.
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 5 Nature has( ) these animals ( ) a capacity for not showing Fear.
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 6 During the weeks of discussion,delegations from groups who are interested in the Resolution may call on representatives to ( ) their point of view.
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 7 Plato was a superb writer,and his works are Part of the world’s great literature.Most of His existing work is ( )Dialogs and letters.
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 8 Young people should enter into a broad Flexible training program,through which They can learn a lot and be ( ) their future careers.
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 9 The young man is very happy and proud to be ( ) the old professor because he always feeIs great when talking With him.
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 10 One day they passed more than 20 villages ( ),and some of these are Said to have stretched for six miles or more.
【填空题】
boost prospect calculate accelerate promote mystery destruction analysis insight barrier 7 Being asingle parent,there is no way for her to ( ) the time and energy she has devoted to her children for the past 10 years.
【填空题】
boost prospect calculate accelerate promote mystery destruction analysis insight barrier 8 It is essential that you start by listening because one of the main ( ) teenagers and their parents face in forming positive relationships is that neither listens to the other.
【填空题】
boost prospect calculate accelerate promote mystery destruction analysis insight barrier 9 We all know the dangers of an earthquake: the ( ) to buildings,the troubles can be caused by falling trees,and the terror occurs when the earth actually opens uip.
【填空题】
boost prospect calculate accelerate promote mystery destruction analysis insight barrier 10 Not until recently have we realized that the increasing world population may lead to a potential gloomy ( ) for humanity starvation.
【填空题】
boost prospect calculate accelerate promote mystery destruction analysis insight barrier 2 It is the development strategy/of the company to ( ) its overseas expansion in order to take a slice of the world market
【填空题】
boost prospect calculate accelerate promote mystery destruction analysis insight barrier 3 Nearly six million people go to see the Mona Lisa every year,attracted by the ( )of her smile.When you're not lodking at her, she seems to be smiling;when you look at her,she stops.
【填空题】
Boost prospect calculate accelerate promote mystery destruction analysis insight barrier 4 To live with a family whose native language is English is the ideal way to further improve one's English and to gain ( )into its culture.
【填空题】
Boost prospect calculate accelerate promote mystery destruction analysis insight barrier 5 There is a real need to ( ) academic achievement in schools and help with the development of a student's overall character.
【填空题】
boost prospect calculate accelerate promote mystery destruction analysis insight barrier 6 Einstein said his scientific discoveries grew from his imagination rather than from( ), reason and language.
【填空题】
commence,deserve,tempting, coordinate, lodge,confess, grant, proceed ,display, consequently 1 When the police caught up with him, Mr.Foster had to [ ] that he'd broken the speed limit.
【填空题】
commence,deserve,tempting, coordinate, lodge,confess, grant, proceed ,display, consequently 2 Whenever my boss makes a decision that I don't agree with, I tell him what I really think, though it's [ ] to make him happy by telling him his ideas are always right
【填空题】
commence,deserve,tempting, coordinate, lodge,confess, grant, proceed ,display, consequently 3 As can be probably perceived, a manned tip to Mars may soon[ ] since scientists have achieved the manned moon mlssion
【填空题】
commence,deserve,tempting, coordinate, lodge,confess, grant, proceed ,display, consequently 4 A number of countries are [ ]their efforts to send out food to the area worst affected by the flood.
【填空题】
immune to , fall in love with , go along with, on one's behalf, be filled with , take the liberty of , expel from , be pessimistic about She authorizcd her partner to carry out daily responsibllitles [ ]when she was on her business trip
【填空题】
immune to , fall in love with , go along with, on one's behalf, be filled with , take the liberty of , expel from , be pessimistic about On hering the latest news about your mother's ill health, I [ ]canceling your reservation at the Sheraton.
【填空题】
immune to , fall in love with , go along with, on one's behalf, be filled with , take the liberty of , expel from , be pessimistic about There was an obvious indication that the police who have to enforce the new law were not[ ] the general discontent.
欢迎使用我爱刷题
×
微信搜索我爱刷题小程序
温馨提示
×
请在电脑上登陆“www.woaishuati.com”使用