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[高级工] 凡运行途中空调客车出现电器烧损时,均须停机进行故障确认
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[高级工] 高低压力控制器的两个气室,分别与压缩机的排气管路和吸气管路相通
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[高级工] 集中供电空调列车,库内停留期间须使用外接地面电源进行检修
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[高级工] 交流和直流耐压试验都是利用高压电源进行试验,故都属于破坏性试验
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[高级工] 客车空调机组在冬季简单工况应按通风机、冷凝器排风扇,制冷压缩机与废气排风扇的先后顺序动作
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[高级工] 客车空调机组在夏季简单工况应按通风机、电热器和废气排风扇的顺序动作
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[高级工] 客车空调控制电路采用空气开关之后,可以不用热继电器和熔断器
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[高级工] 客车空调装置包括通风、制冷、加热、加湿、自动控制等设备
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[高级工] 空调机制冷系统进行真空检漏时,可以用系统本身的压缩机来抽真空
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[高级工] 空调机组通风机室的顶盖打开时通风电机的工作电流要小于顶盖关闭时的工作电流
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[高级工] 空调机组与车顶之间只有一道防水密封垫
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[高级工] 空调客车的空调温控器应设定为:冬季14~16℃,夏季22~24℃
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[高级工] 空调客车对客室相对湿度的要求是夏季不大于70%,冬季不小于30%
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[高级工] 空调客车空调控制柜中转换继电器是用来均衡压缩机工作时间的
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[高级工] 空调控制柜线路图不正确,在运用客车质量鉴定中属于A类故障
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[高级工] 空调配电室内除车辆人员外,其他人不得堆放杂物
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[高级工] 空调器的蒸发温度越低,吹出的风越冷,房间降温就越快,制冷量就越大
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[高级工] 空调总电源开关合上后,控制柜所有工作和故障灯亮是由于电源零线断开
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[高级工] 毛细管可将高温高压液体变成低温低压液体
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[高级工] 毛细管可将高温高压液体变成低温低压液体
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[高级工] 目前客车空调机组温度控制器广泛采用电子式温度控制器
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[高级工] 全列空调列车额定负载总和不得超过发电车额定输出功率
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[高级工] 全列空调列车额定负载总和不得超过发电车额定输出功率
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[高级工] 全列空调列车供电制式不需一致
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[高级工] 全列空调列车上加挂外属客车时,只允许编挂在尾部,原则上不供电
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[高级工] 我国空调客车目前采用的空调装置有集中式和单元式两种形式
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[高级工] 在电气化铁路上,接触网的各导线及其相连部件,通常均带有高压电,因此禁止直接或间接地(通过任何物件,如棒条,导线,水流等)与上述设备接触
【判断题】
[高级工] 制冷空调设备的产品铭牌上标注的制冷量为其实际制冷量
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[高级工]BSP青藏车制氧机压缩机供电为AC380V
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[高级工]CRNQ-0500-TFD型压缩机对所提供的三相电源无相序要求
【判断题】
[高级工]ZR72KC-TFD型压缩机对所提供的三相电源无相序要求
【判断题】
[高级工]当蒸发温度不变时,冷凝温度升高,则制冷量减小
【判断题】
[高级工]三相压缩机的电机缺相会使压缩机烧损
【判断题】
[高级工]温控器的设定温差过小会导致压缩机频繁启动和停机
【判断题】
[高级工]压缩机电动机绕组对机壳的绝缘电阻值应小于2M
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[高级工]在采用氟利昂制冷剂的制冷系统中一定要安装干燥器
【判断题】
[高级工]蒸发器太脏会造成压缩机刚启动就停机
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[高级工]制冷剂不足时会造成全封闭压缩机烫手
【判断题】
[高级工]制冷系统内的压力与环境温度无关
【判断题】
[高级工]制冷系统运行时,吸气压力值所对应的是蒸发温度,所以要经常观察吸气压力
【判断题】
[高级工]制冷系统制冷剂过多会造成蒸发器结霜或结浮霜
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