【单选题】
CRH380B动车组设备舱裙板锁为:___。
A. Tr12X3梯形螺纹,螺栓头为RIC四角头结构,不可以直接涂打防松标记。可以与CRH380BL互换
B. Tr12X3梯形螺纹,螺栓头为RIC四角头结构,不可以直接涂打防松标记。可以与CRH3C互换
C. Tr12X3梯形螺纹,螺栓头改为内六角柱头结构,可以直接涂打防松标记。安装接口与CRH380BL相同,可以与CRH380BL互换
D. 结构及安装尺寸同CRH380A一致,可互换
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答案
C
解析
暂无解析
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【单选题】
CRH380B型动车组供电方式为交流25kV,50Hz,在最高电压___、最低电压{}的电源变动范围内不发生异常。
A. 31kV;17.5kV
B. 31kV;22.5kV
C. 29kV;17.5kV
D. 29kV;22.5kV
【单选题】
BCU通讯故障或硬件损坏故障代码:1748,故障描述为___。
A. 与BCU主面板通讯故障
B. BCU-B01的主面板故障
C. 与BCU-B02主面板通讯故障
D. CCU主面板通讯故障
【单选题】
主断无法闭合期间,要检查主风管压力。当主风管压力低于时___,每次升弓时间不能超过10分钟,否则会触发软件保护而锁闭受电弓,一旦锁闭,等到90分钟后才能解锁。
A. 700kpa
B. 600kpa
C. 680kpa3
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【单选题】
发生火灾时或动车组故障停在桥梁或隧道等紧急情况下,紧急驱动模式下,在动车组静止和运行时,ASD都需要一直操作,可以使用___减速停车。
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【单选题】
CRH380B动车组车端连接内风挡为:___。
A. 结构、参数与CRH380BL完全相同,可互换
B. 结构、参数与CRH380BL完全相同,折棚风挡底部比CRH380BL多一根地线,不能与BL互换
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【单选题】
CRH380B动车组受电弓导流罩为:___。
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B. 手动开闭机构,不可互换
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【单选题】
CRH380B动车组废排及换气装置为___:。
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【单选题】
CRH380B动车组基础制动装置___。
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【单选题】
CRH380B动车组制动控制装置为:___。
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【单选题】
CRH380B动车组辅助供风系统为:___。
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【单选题】
CRH380B动车组齿轮箱组成为___。
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B. 福伊特2.7931传动比齿轮箱
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【单选题】
CRH380B动车组车内环境控制系统客室空调机组为:___。
A. 采用安装在车顶的车顶单元式空调机组,备用,维修,冗余功能较多
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CRH380B动车组轴箱体及端盖为___。
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CRH380B动车组前挡风玻璃采用___。
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【单选题】
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B. 可互换
C. 结构不同,不可互换
D. 结构不同,可改造后互换
【单选题】
CRH380B动车组旅客信息系统受电弓监控相比___。
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B. 无此功能
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【单选题】
CRH380B型动车组每个牵引单元由一台___、两台{}和{}个牵引电机组成。
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B. 变流器 变压器 8
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CRH380B型动车组制动采用盘式制动。动车转向架采用___方式。拖车转向架采用{}方式。
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发方式有哪些?___
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CRH380B型动车组制动采用盘式制动。动车转向架采用___方式。拖车转向架采用{}方式。
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