【单选题】
在DS6-11计算机联锁系统中由于工作机A机发生硬件故障造成死机故障或人工关机，_______落下。[322010104]___
A. AYUJ
B. BYUJ
C. AGZJ
D. BGZJ
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【单选题】
在DS6-11计算机联锁系统中当A机发生错误开放信号的危险性故障，或人工在监测机上输入双机切换命令，_______落下。[322010104]___
A. AYUJ
B. BYUJ
C. AGZJ
D. BGZJ
【单选题】
DS6-K5B在计算机联锁，系统各设备间采用光缆连接，下列说法正确的是_______。[331010103]___
A. 不得用手摸光缆接头的光端口，光缆接头不用时，应带上防尘帽
B. 可以用手摸光缆接头的光端口
C. 光缆接头不用时，不用带上防尘帽
D. 不得用手摸光缆接头的光端口，但光缆接头不用时，不用带上防尘帽
【单选题】
DS6-K5B在计算机联锁，光缆的弯曲半径应在_______以上。[331000000]___
A. 5mm
B. 10mm
C. 15mm
D. 20mm
【单选题】
DS6-K5B在计算机联锁，当系统运行正常，面板指示灯D2灯亮表示_______。[323010201]___
A. 两系不同步
B. 两系同步
C. 执行控制功能
D. 控制功能停止
【单选题】
DS6-K5B在计算机联锁，当系统运行正常，面板指示灯D3灯亮表示_______。[323010201]___
A. 两系不同步
B. 两系同步
C. 执行控制功能
D. 控制功能停止
【单选题】
DS6-K5B在计算机联锁，当系统运行正常，面板指示灯D4灯亮表示_______。[323010201]___
A. APL开始执行
B. APL停止执行
C. 数据连接成功
D. 数据连接失败
【单选题】
DS6-K5B在计算机联锁，当系统运行正常，面板指示灯D6灯灭表示_______。[323010201]___
A. APL开始执行
B. APL停止执行
C. 数据连接成功
D. 数据连接失败
【单选题】
VPI型计算机联锁系统，采集电源由联锁机送到各个组合内部，经过所需采集的继电器的_______，通过接口架送至DI板。[333010104]___
A. 前接点
B. 后接点
C. 中接点
D. 继电器线圈
【单选题】
VPI型计算机联锁系统，驱动电源为电源屏送的_______电源。[323010103]___
【单选题】
VPI型计算机联锁系统，驱动电源经过工作继电器的_______构成条件电源，由SBO板直接驱动安全型继电器。[323010104]___
A. 前接点
B. 后接点
C. 中接点
D. 继电器线圈
【单选题】
CIS-1型计算机联锁系统，完成站场显示、操作、语音提示、故障报警、数据输出的是_______。[322010104]___
A. 上位机
B. 维修机
C. 配电系统
D. 下位机
【单选题】
关于CIS-1型计算机联锁系统，说法正确的是_______。[333010104]___
A. 不同步时可以进行倒机操作，平时倒切钥匙开关应处于自动位置
B. 不同步时禁止进行倒机操作，平时倒切钥匙开关应处于自动位置
C. 不同步时禁止进行倒机操作，平时倒切钥匙开关应处于手动位置
D. 不同步时可以进行倒机操作，平时倒切钥匙开关应处于手动位置
【单选题】
CIS-1型计算机联锁系统，下列哪种工作状态可以进行倒机操作_______。[333010103]___
A. 双机同步工作
B. 双机不同步工作
C. 单机工作
D. 系统关闭
【单选题】
CIS-1型计算机联锁系统，完成联锁逻辑处理、数据采集、控制驱动、控制同步的是_______。[333010104]___
A. 上位机
B. 维修机
C. 配电系统
D. 下位机
【单选题】
计算机联锁系统_______是备机由停机状态向热备状态过渡的中间状态。[332010104]___
A. 停机状态
B. 热备状态
C. 主机状态
D. 同步校核状态
【单选题】
计算机联锁系统的联锁机采用双机热备的_______结构。[312010104]___
A. 串行
B. 静态冗余
C. 动态冗余
D. 并行
【单选题】
开启JD-1A计算机联锁系统时，首先开启_______。[332010104]___
A. A、B电源箱开关
B. UPS
C. 维修机电源
D. 联锁机电源
【单选题】
联机联锁站TDCS机柜电源层引入的采样电源是_______。[322010103]___
A. JZ、JF
B. KZ、KF
C. JZ220、JF220
D. QF、QZ
【单选题】
电务维修机时钟误差超过_______必须进行调整。[312030101]___
A. 1min
B. 3min
C. 5min
D. 10min
【单选题】
NPN三极管放大导通必须满足这样的条件，即_______。[32010102]___
A. 发射极加正向电压，集电极加反向电压
B. 发射极加反向电压，集电极加正向电压
C. 基极加反向电压，集电极加正向电压
D. 基极加正向电压，集电极加反向电压
【单选题】
普通放大电路中集电极电阻Rc乘放大倍数β大于基极电阻Rb数值，这时晶体管处于_______。[322010102]___
A. 放大状态
B. 截止
C. 饱和区
D. 导通状态
【单选题】
JD-1A计算机联锁系统就地控制电路板正常工作时电路板不亮的指示灯是_______。[321010201]___
A. ADDR1
B. ADDR2
C. ADDR3
D. ADDR4
【单选题】
在JD-1A计算机联锁系统电务维修机系统网络结构图中_______色表示某机器正处于热备状态。[322010201]___
【单选题】
在JD-1A计算机联锁系统电务维修机系统网络结构图中_______色表示网络通信正常，但不处于主控和热备状态。[322010201]___
【单选题】
JD-1A计算机联锁系统驱动的继电器均采用_______型继电器。[332010103]___
A. JWXC-1700
B. JWJXC-2000
C. JZXC-480
D. JPXC-1000
【单选题】
在JD-1A计算机联锁系统电务维修机系统网络结构图中_______色表示某机器正处于热备状态。[322010201]___
【单选题】
JD-1A型联锁系统用_______语言编写而成。[333010104]___
A. C++
B. VB
C. TC
D. vfp
【单选题】
JD-1A计算机联锁系统中下面_______做法是错误的。[322010104]___
A. 在查阅完历史记录后关闭电务维修机
B. 在联锁UPS上禁止接入其他非联锁设备
C. 带电热插拔采集板
D. 采用复位计算机的方法进行人工倒机
【单选题】
ZPW-2000R型无绝缘轨道电路主轨道范围是本区段发送端轨道匹配单元到接收端轨道匹配单元，超过_______时主轨道需要加装补偿电容。[321030201]___
A. 150m
B. 200m
C. 250m
D. 300m
【单选题】
在安装有道口信号轨道电路(闭路式和开路式制式)的区段,须采用道口专用补偿电容，ZPW·CBGD-1700对应载频下等效电容值_______。[321010102]___
A. 40uF±4uF
B. 46uF±4.6uF
C. 55uF±5uF
D. 55uF±5.5uF
【单选题】
在安装有道口信号轨道电路(闭路式和开路式制式)的区段,须采用道口专用补偿电容，ZPW·CBGD-2000对应载频下等效电容值_______。[321010104]___
A. 40uF±4uF
B. 46uF±4.6uF
C. 55uF±5uF
D. 55uF±5.5uF
【单选题】
在安装有道口信号轨道电路(闭路式和开路式制式)的区段,须采用道口专用补偿电容，ZPW·CBGD-2300对应载频下等效电容值_______。[321010103]___
A. 40uF±4uF
B. 46uF±4.6uF
C. 55uF±5uF
D. 55uF±5.5uF
【单选题】
在安装有道口信号轨道电路(闭路式和开路式制式)的区段,须采用道口专用补偿电容，ZPW·CBGD-2600对应载频下等效电容值_______。[321010102]___
A. 40uF±4uF
B. 46uF±4.6uF
C. 55uF±5uF
D. 55uF±5.5uF
【单选题】
在安装有道口信号轨道电路(闭路式和开路式制式)的开路控制器左右_______范围内的电容应替换为道口专用补偿电容。[322030101]___
A. 47m
B. 48m
C. 49m
D. 50m
【单选题】
在安装有道口信号轨道电路(闭路式和开路式制式)的闭路控制器输入输出两设备中点左右_______范围内的电容应替换为道口专用补偿电容。[323030101]___
A. 100m
B. 200m
C. 300m
D. 400m
【单选题】
调谐区距开路控制器应不小于_______,距闭路控制器应不小于100m。[331030101]___
A. 40m
B. 50m
C. 60m
D. 70m
【单选题】
桥上护轮轨区域两端各加装钢轨绝缘一组，超过200m的护轮轨,每根护轮轨间隔_______加装钢轨绝缘一组。[322030201]___
A. 150m
B. 170m
C. 180m
D. 200m
【单选题】
ZPW-2000R型无绝缘轨道电路电气节空芯线圈、调谐单元和匹配单元按_______布置，分别安装在专用带有绝缘防护箱的支架或混凝土基础上，设备中心线与钢包铜引接线保持在同一直线上。[322030201]___
【单选题】
ZPW-2000R型无绝缘轨道电路信号机安装需要满足建筑接近限界要求,安装在调谐区距匹配单元_______的位置。[322030101]___
A. 大于或等于2m
B. 小于或等于2m
C. 大于或等于2.5m
D. 大于或等于2m、小于或等于2.5m
【单选题】
ZPW-2000R型无绝缘轨道电路匹配单元与机械绝缘节空芯线圈在同一位置,距机械绝缘节中心_______,调谐单元距匹配单元2m。[322030101]___
A. 700mm
B. 800mm
C. 850mm
D. 900mm
推荐试题
【多选题】
党的纪律主要包括政治纪律、组织纪律、___、工作纪律和生活纪律。
A. 廉洁纪律
B. 干部纪律
C. 作风纪律
D. 群众纪律
【单选题】
The two main islands of the British Isles are .
A. A. Great Britain and Ireland
B. B. Great Britain and Scotland
C. C. Great Britain and Wales
D. D. Great Britain and England
【单选题】
2. is the capital city of Scotland.
A. A. Belfast
B. B. Edinburgh
C. C. Aberdeen
D. D. Cardiff
【单选题】
According to a 2005 estimate, Britain now has a population of over million.
A. A. 160
B. B. 600
C. C. 60
D. D. 16
【单选题】
Among the four parts of the United Kingdom, is the smallest.
A. A. England
B. B. Scotland
C. C. Wales
D. D. Northern Ireland
【单选题】
Almost a quarter of the British population lives in England.
A. A. northeastern
B. B. southeastern
C. C. northwestern
D. D. southwestern
【单选题】
English belongs to the group of Indo-European family of languages.
A. A. Celtic
B. B. Indo-Iranian
C. C. Germanic
D. D. Roman
【单选题】
The introduction of Christianity to Britain added the first element of words to English.
A. A. Danish and Finnish
B. B. Dutch and German
C. C. French and Italian
D. D. Latin and Greek
【单选题】
The evolution of Middle English was reinforced by the influence.
A. A. Norman
B. B. Dutch
C. C. German
D. D. Danish
【单选题】
In Britain, the parliamentary general election is held every years.
A. A. three
B. B. four
C. C. five
D. D. six
【单选题】
has a distinct legal system based on Roman law.
A. A. Wales
B. B. England
C. C. Scotland
D. D. Northern Ireland
【单选题】
Generally speaking, the British Parliament operates on a system.
A. A. single-party
B. B. two-party
C. C. three-party
D. D. multi-party
【单选题】
The policies of the Conservative Party areThe policies of the Conservative Party are characterized by pragmatism and .
A. A. government intervention
B. B. nationalization of enterprises
C. C. social reform
D. D. a belief in individualism
【单选题】
The Labor Party affected the British society greatly in that it .
A. A. set up the National Health Service
B. B. improved public transportation
C. C. abolished the old tax system
D. D. enhanced the economic development
【单选题】
The British economy achieved global dominance by the .
A. A. 1860s
B. B. 1870s
C. C. 1880s
D. D.1890s
【单选题】
In , the British Parliament passed two important acts to establish a welfare state.
A. A. 1945
B. B. 1946
C. C. 1947
D. D. 1948
【单选题】
The in the early 1970s worsened an already stagnant economy in Britain.
A. A. oil crisis
B. B. high inflation rates
C. C. large imports
D. D. unemployment problem
【单选题】
Of the following practices, does not belong to Thatcher’s social welfare reform.
A. A. reducing child benefits
B. B. shortening the unemployment benefits period
C. C. reducing the unemployment
D. D. lowering old age pensions
【单选题】
The Blair government has been successful in all the following aspects except .
A. A. limiting government spending
B. B. keeping inflation under control
C. C. reducing unemployment
D. D. reducing inequality
【单选题】
Britain has devoted of its land area to agriculture.
A. A. 54%
B. B. 64%
C. C. 74%
D. D.84%
【单选题】
Britain’s important fishing areas include all the following except .
A. A. the North Sea
B. B. the English Channelnnel
C. C. The sea area around Ireland
D. D. The sea area between Britain and Ireland
【单选题】
Coal mining industry in Britain provides of the energy consumed in the country.
A. A. 1/3
B. B. 1/4
C. C. 1/5
D. D. 2/3
【单选题】
The car industry in Britain in mostly .
A. A. foreign-owned
B. B. state-owned
C. C. joint-venture
D. D. privately-owned
【单选题】
Of the following sectors in Britain, has experienced spectacular growth since the end of Word War II.
A. A. agriculture
B. B. energy industry
C. C. service industry
D. D. manufacturing industry
【单选题】
Samuel Johnson’s dictionary was influential in establishing a standard form of .
A. A. grammar
B. B. handwriting
C. C. spelling
D. D. pronunciation
【单选题】
At present, nearly of the world’s population communicate in English.
A. A. half
B. B. a quarter
C. C. one third
D. D. one fifth
【单选题】
The attack on Rome ended the Roman occupation in Britain in 410.
A. A. Norman
B. B. Danish
C. C. Celtic
D. D. Germanic
【单选题】
By the late 7th century, became the dominant religion in England.
A. A. Celtic Christianity
B. B. Anglo-Saxon Christianity
C. C. Germanic Christianity
D. D. Roman Christianity
【单选题】
Westminster Abbey was built at the time of .
A. A. St. Augustine
B. B. Edward the Confessor
C. C. William the Conqueror
D. D. Alfred the Great
【单选题】
The marked the establishment of feudalism in England.
A. A. Viking invasion
B. B. signing of the Magna Carta
C. C. Norman Conquest
D. D. Adoption of common law
【单选题】
The end of the Wars of the Roses led to the rule of .
A. A. the House of Valois
B. B. the House of York
C. C. the House of Tudor
D. D. the House of Lancaster
【单选题】
The direct cause for the Religious Reformation was King Henry VIII’s effort to .
A. A. divorce his wife
B. B. break with Rome
C. C. support the Protestants
D. D. declare his supreme power over the church
【单选题】
The English Civil War broke out in 1642 between .
A. A. Protestants and Puritans
B. B. Royalists and Parliamentarians
C. C. nobles and peasants
D. D. aristocrats and Christians
【单选题】
was passed after the Glorious Revolution.
A. A. Bill of Rights
B. B. Act of Supremacy
C. C. Provisions of Oxford
D. D. Magna Carta
【单选题】
The Industrial Revolution was aThe Industrial Revolution was accomplished in Britain by the middle of the century.
A. A. 17th
B. B. 18th
C. C. 19th
D. D. 20th
【单选题】
Britain faced strong challenges in its global imperial dominance by the beginning of the century.
A. A. 17th
B. B. 18th
C. C. 19th
D. D. 20th
【单选题】
As a revising chamber, the House of Lords is expected to the House of Commons.
A. A. rival
B. B. complement
C. C. criticize
D. D. inspect
【单选题】
The British government is characterized by a division of powers between three of the following branches with the exception of the .
A. A. judiciary
B. B. legislature
C. C. monarchy
D. D. executive
【单选题】
The importance of the British monarchy can be seen in its effect on .
A. A. passing the bills
B. B. advising the government
C. C. political parties
D. D. public attitude
【单选题】
British Cabinet works on the principle of .
A. A. collective responsibility
B. B. individual responsibility
C. C. defending the collectivism
D. D. defending the individuals
