相关试题
【单选题】
下列电力网的构成说法正确的是()。
A. A.电厂-升压站-输电线路-降压站-配电线路-降压变压器-用户
B. B.电厂-升压站-配电线路-降压变压器-用户
C. C.电厂-升-压站-输电线路-降压站-配电线路
D. D.电厂-升压站-输电线路-用户
【单选题】
电气图中的图线型式常用()。
A. A.细实线
B. B.虚线
C. C.波浪线
D. D.折线
【单选题】
每张图纸上都必须画出标题栏,标题栏的位置,下列说法正确的是:()。
A. A.右下
B. B.左下
C. C.右上
D. D.左上
【单选题】
塑料绝缘电力电缆最低允许敷设温度为()℃,否则应采取措施将电缆预热。
A. A.0
B. B.﹣7
C. C.﹣10
D. D.﹣15
【单选题】
在使用滑轮组起吊相同重物时,在采用的工作绳数相同的情况下,绳索的牵引端从定滑轮绕出比从动滑轮绕出所需的牵引力()。
A. A.大
B. B.小
C. C.相同;无法确定
D. D.无法确定
【单选题】
《中华人民共和国安全生产法》第十四条规定:国家实行生产安全事故责任追究制度,依照本法和有关法律、法规的规定,追究( )的法律责任。
A. A.生产安全事故责任人员
B. B.生产班组人员
C. C.生产单位人员
D. D.设备运维单位人员
【单选题】
《中国南方电网有限责任公司电力安全工作规程》(Q/CSG510001-2015)第16.3.8条规定:不应穿越( )的绝缘导线进行工作。
A. A.未停电接地
B. B.已停电接地
C. C.正在检修
D. D.已停电未接地
【单选题】
《中国南方电网有限责任公司电力安全工作规程》(Q/CSG510001-2015)第6.7.4条规定:低压配电网工作需要间断时,应重新办理( ),并在备注栏注明。
A. A.工作票
B. B.抢修方案
C. C.施工方案
D. D.停电方案
【单选题】
《关于进一步加强低压集抄建设的指导意见》。外置开关的单相费控电能表,其拉闸灯亮或灭由什么信号控制( )
A. A.反馈信号
B. B.控制信号
C. C.继电器状态
D. D.拉合闸状态字
【单选题】
《南方电网公司低压集抄工程设计导则》,集中器应优先选择安装于( )。
A. A.计量表箱内
B. B.外挂箱内
C. C.墙面上
D. D.电杆上
【单选题】
《智能电表与低压集抄建设工作指引》五(数据质量)》,换表档案复核应在换表流程归档后第( )个抄表周期内完成。
A. A.一
B. B.二
C. C.三
D. D.四
【单选题】
《南方电网公司低压用电客户电能计量装置典型设计》。5.3.9 表计固定采用自攻()螺丝孔或万能表架。挂表的底板或万能表架到观察窗的距离不大于175mm。
A. A.Φ5mm
B. B.Φ15mm
C. C.Φ25mm
D. D.Φ35mm
【单选题】
根据《南方电网公司低压用电客户电能计量装置典型设计》:多表位表箱电能表上下边之间的垂直间距不小于( )mm。
A. A.100
B. B.80
C. C.50
D. D.40
【单选题】
《中华人民共和国电力法》第五十七条规定:电力监督检查人员应当公正廉洁,秉公执法,熟悉电力法律、法规,掌握有关电力专业( )。
A. A.技术
B. B.技能
C. C.业务
D. D.技巧
【单选题】
《居民用户家用电器损坏处理办法》适用于因发生电力运行事故导致()劣化,引起居民用户家用电器损坏是的索赔处理。
A. A.电能质量
B. B.电压
C. C.电流
D. D.电力质量
【单选题】
线损异常的管理原因分为:()、抄表电量失真、计量表计故障、窃电、设备档案未及时更新、其它。
A. A.线变户关系
B. B.站线变关系
C. C.站线关系
D. D.线变关系
【单选题】
《南方电网有限责任公司用电检查管理办法》第5.3.1条:用电检查包括( )和专项检查两种形式。
A. A.周期检查
B. B.日常检查
C. C.临时检查
D. D.季节性检查
【单选题】
《电力供应与使用条例》第二十六点规定:安装在用户处的用电计量装置,由( )负责保护。
A. A. 用户
B. B.供电企业
C. C.用户和供电企业
D. D.电力管理部门
【单选题】
《供电营业规则》第四十四条规定:公用路灯、交通信号灯是公用设施,应由( )及有关管理部门投资建设,并负责维护管理和交纳电费等事项。
A. A. 当地人民政府
B. B. 当地供电企业
C. C. 当地发电厂
D. D. 当地国有企业
【单选题】
任何单位和个人不得( )占用变电设施用地、输电线路走廊和电缆通道。(中华人民共和国电力法)
【单选题】
《广西壮族自治区预防和查处窃电行为条例》第八条:窃电行为经查证属实的,擅自在供用电设施上接线窃电的,窃电量按照所接设备的()乘以窃电时间。
A. A.额定容量
B. B.供电容量
C. C.估计容量
【单选题】
《广西壮族自治区预防和查处窃电行为条例》第八条:窃电行为经查证属实的,通过自制、改制或者无铭牌容量的用电装置窃电的,窃电量按照实测的()确定的装置容量乘以窃电时间。
A. A.最大电流值
B. B.最小电流值
C. C.最高值
D. D.最大电压值
【单选题】
《中国南方电网有限责任公司职业健康管理办法》第七条规定:各单位每年针对生产基建和办公生活等场所至少组织开展( )职业健康危害辨识与风险评估,一般在每年第4季度开展下一年度的危害辨识与风险评估工作。
A. A.一次
B. B.两次
C. C.三次
D. D.四次
【单选题】
《中国南方电网有限责任公司电力安全工作规程》(Q/CSG510001-2015)第16.1.5 条规定:当发现金属材料的配电箱、电表箱箱体带电时,工作人员不应直接接触箱体,应断开上一级( )将其停电,查明带电原因,并作相应处理。
A. A.电源
B. B.负荷
C. C.开关
D. D.刀闸
【单选题】
对于电能表安装分布较分散的台区,要实现远方自动抄表,宜安装( )。
A. A.载波表
B. B.带485口电能表
C. C.感应式电能表
D. D.普通预付费电能表(不带485口)
【单选题】
当主站召测到某台区配变终端交流采样有功功率为负数时,可能的原因是()。
A. A.配变终端二次回路接线错误。
B. B.台区功率因数低。
C. C.台区变压器负载较低。
D. D.主站互感器倍率错误
【单选题】
采用半载波组网方式的低压集抄系统,RS-485布线应采用()线方式。
A. A.手拉手
B. B.星型
C. C.分叉
D. D.分散
【单选题】
当用电现场安装有多个集中器或同时安装有配变监测终端时,可以通过( )功能实现远程通讯通道的共享。
A. A.级联
B. B.串联
C. C.并联
D. D.设置
【单选题】
电源出现断相故障时,即断一相电压或两相电压的条件下,集中器( )。
A. A.应能正常工作
B. B.不能正常工作
C. C.仍正常工作30分钟
D. D.死机
【单选题】
远程费控模式下,( )仅完成电量计量功能,负控终端或费控电能表根据主站命令完成拉合闸操作(或切换至合闸允许状态)。
A. A.费控电能表
B. B.负控终端
C. C.配变终端
D. D.集中器
【单选题】
集中器电源应在相应台变的低压( )接取。
A. A.总开关进线侧
B. B.总开关出线侧
C. C.最靠近集中器的二级开关进线侧
D. D.最靠近集中器的二级开关出线侧
【单选题】
终端抄表和主站抄终端冻结数据的唯一依据是:( )。
A. A.终端抄表是以电表地址作为唯一依据,主站抄终端冻结数据是以表计在终端内的序号为唯一依据。
B. B.终端抄表和主站抄终端冻结数据都是以电表地址作为唯一依据。
C. C.终端抄表和主站抄终端冻结数据都是以电表在终端内的序号作为唯一依据。
D. D.终端抄表是以表计在终端内的序号为唯一依据,主站抄终端冻结数据是以表计地址为唯一依据
【单选题】
在电力营销信息管理系统中,计核人员在电费核算环节中,应对用户的电量电费异常进行复核,根据( )进行同比环比比较分析。
A. A.电量曲线图
B. B.平面图
C. C.放量图
D. D.折线图
【单选题】
根据现行居民电价政策,居民阶梯电价以( )为单位。
A. A.户
B. B.住宅
C. C.电表
D. D.人均用电量
【单选题】
核算员要准确地计算出应收电费,首先要准确的抄录各类用户的( )。
A. A.用电量
B. B.电能表
C. C.设备台账
D. D.装见容量
【单选题】
根据《供电营业规则》,居民用户的电费违约金,跨年度欠费部份每日按欠费总额的( )计算。
A. A.千分之一
B. B.千分之二
C. C.千分之三
D. D.千分之四
【单选题】
对同一电网内的同一电压等级、同一用电类别的用户执行相同的电价( )。
A. A.标准
B. B.分类
C. C.电费
D. D.指标
【单选题】
某居民用户接用公用变压器,应执行电价等级为( )
A. A. <1kv
B. B. 1-10kv
C. C.35kv-110kv以下
D. D.220 kv及以上
【单选题】
农业排灌执行( )电价。(根据桂价格【2014】122号文)
A. A.农业生产
B. B.商业
C. C.普通工业
D. D.大工业
【单选题】
学生食堂、澡堂、宿舍等学生生活设施用电执行( )电价。(根据桂价格【2014】122号文)
A. A.居民
B. B.非居民
C. C.商业
D. D.普通工业
推荐试题
【单选题】
He is not the right person for the project: he is not very technically minded and ___, he does not have the sense of responsibility.
A. instead
B. yet
C. furthermore
D. nevertheless
【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