【单选题】
客车轴温报警器某轴位温度显示"+1"的原因是________
A. 断路
B. 短路
C. 漏电
D. 显示器坏
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答案
B
解析
暂无解析
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【单选题】
客车轴温报警器某轴位温度显示"-1"的原因是________
A. 断路
B. 短路
C. 漏电
D. 显示器坏
【单选题】
电气装置与轨面距离运用限度规定不小于_____mm。___
A. 车统一23
B. 车统一24
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【单选题】
车辆检修通知单为___。___
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节流阀是通过改变_____来控制流量的大小。___
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【单选题】
下列属于车电机具的有_____。___
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电路中任意两点电位的差值称为_____。___
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客室加热器罩的表面温度不得超过_____℃。___
A. 50
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【单选题】
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A. 20~30
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车辆在运行中产生共振________
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动车组应有明显的识别标记:路徽、配属局段简称、车型、车号、定员、最高运行速度、制造厂名及日期,电化区段运行的动车组应有“电化区段严禁攀登”的标志
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列车须按规定编定车次,上行列车编为双数,下行列车编为单数
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A. 对
B. 错
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电气化铁路及附近地区发生火灾时,如不足4m又未停电的情况下,不得使用水或一般灭火器灭火
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电气化铁路及附近地区发生火灾时,如超过4m又未停电的情况下使用水灭火,严禁向带电部分的方向喷射,并保持水流与带电部分的距离在1。5m以上
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在运用客车质量鉴定中,应急电源蓄电池电压低于40V,属于C类故障
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