【判断题】
在受电弓没有降下或保护接地开关EGS没有闭合的情况下，高压机器箱不能打开
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相关试题
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行车状态下出现车门关闭故障（第2位），列车会自动施行快速制动
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在处理主变压器三次侧接地故障时，断开相应单元的辅助电源装置控制NFB（APUCN），会造成相应动力单元的空调自动减半
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动车组连接作业时间一般不超过10分钟；两列动车组摘解作业时间一般不超过16分钟
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再生电制动力的大小是随列车速度成正比的
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CRH2A统型动车组辅助空压机装置的电源为单相AC100V
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制冷剂循环系统是由压缩机、室外热交换器、干燥器、毛细管、室内热交换器、蓄能器及配管构成；内充入R22制冷剂
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牵引变压器牵引绕组设两组，原边绕组电压25kV时，牵引绕组电压为1500V
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CRH2A统型动车组车底安装的空调装置为每１节车厢２台，驾驶室设单独的空调装置
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空调换气装置正常运行时，它从室内排出多的风量补充少的新风，就可以保证车内空气压力恒定
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动车组运用所设置有外部电源，车体侧面装有连接外部电源的插座是单相AC400V、50Hz
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制动功能类别分常用、快速、紧急、辅助以及耐雪制动功能
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放置于动车组司机室内的灭火器为水性灭火器
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CRH2A统型动车组车侧显示灯亮灯、司机操纵台“关门”显示灯熄灭，如果是在出发前，则动车无法起动；如果是在运行中，则施行紧急制动
【判断题】
CRH2A统型动车组4号车和6号车车顶均设受电弓、保护接地开关EGS、故障隔离开关1套，4号车和6号车的车下均设高压机器箱
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CRH2A统型动车组空调电热器，通过逆变器，使用单相400 V电源加热
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CRH2A统型动车组的空调显示设定器使用的是非稳定单相AC100V系统供电
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CRH2A统型动车组重连作业时，两动车组进入摘解线路停车，动车组均处于缓解状态
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CRH2A统型动车组在VCB合的状态下，受电弓无法降下
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CRH2A统型动车组油压减振器主要有垂向减振器、横向减振器、车间油压减振器三种类型
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CRH2A统型动车组自动广播设备在没有CF 卡的情况下启动，计算机系统只会进入普通Windows CE 的界面下
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空气制动系统中的中继阀的主要作用是放大压缩空气的流量
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动车组冬季排空流程为先进行集控或单车防冻排空再分别进行车上设备排水和车下设备排水
【判断题】
CRH2A（统型）动车组达到5km/h以上时侧拉压紧装置会启动，将门和车体压紧密贴，保证气密性
【判断题】
CRH2A（统型）动车组在各车厢的客室内设有紧急按钮、火灾按钮复位操作开关，按下复位开关可以复位该车厢紧急、火灾蜂鸣器
【判断题】
CRH2A（统型）动车组客室照明荧光灯有三种，分别是 110W、40W、20W
【判断题】
CRH2A统型型动车组扩展供电时，闭合ACK2，空调会自动减半
【判断题】
CRH2A（统型）动车组由于动车组两头车采用密接车钩，其高度为1000mm
【判断题】
CRH2A（统型）动车组为使MR压力保持在一定的压力范围，MR压力的范围为780—880kPa
【判断题】
CRH2A（统型）动车组制动系统具备动力制动和空气制动的功能，当动力制动能力不足或丧失时，使用空气制动补充，仍须保证规定的紧急制动距离
【判断题】
CRH2A（统型）动车组主牵引系统主要由受电弓、牵引变压器、牵引变流器及牵引电机组成
【判断题】
CRH2A（统型）动车组线号１００～１９９的指的是AＣ１００Ｖ系统
【判断题】
CRH2A动车组网络总体响应速度小于 50 ms
【判断题】
CRH2A(统型)动车组影视系统素材库有 公共视频库 、公共音频库1、公共音频库2、公共音频库3
【判断题】
CRH2A(统型)动车组前罩开闭机构由三部分组成：开闭装置、锁紧装置、头罩三部分组成
【判断题】
CRH2A(统型)动车组转向架制动装置采用气动式夹钳、浮动式闸片的盘式制动方式
【判断题】
CRH2A(统型)动车组停放制动缓解空气压力550kPa
【判断题】
CRH2A(统型)动车组轴温检测装置动车转向架设置24个
【判断题】
CRH2A(统型)动车组蓄电池电解液是以氢氧化钾为主体的水溶液
【判断题】
CRH2A(统型)动车组蓄电池98～104V范围以外的电压不能充电
【判断题】
CRH2A(统型)动车组停放制动单元缸为弹簧储能式制动缸
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