[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f66EtwfJDysN-3mj441s_NMZhuZEjnDUWqcN6wsnsqrI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":14,"related":15,"source":26,"type":33},[],"2026-05-22 15:49:36",1118919622,[8,9],"对","错",{"courseId":11,"workId":12,"workName":13},"1000159736","66984481","第五章单元测试","在直流快充系统中,CC信号的主要作用是确认充电枪与车辆充电口之间的连接状态",[16,28,34,44,49,58,67,77,86,95],{"answer":17,"createTime":5,"id":18,"options":19,"question":25,"source":26,"type":27},[],1118919588,[20,21,22,23,24],"充电系统作为连接新能源汽车与能源网络的关键环节,其畅通与安全直接影响用户体验和产业发展","充电系统的安全稳定运行仅关系到单个车辆的使用,对区域供电安全和能源数据安全无显著影响","充电技术的学习和维护工作对国家绿色能源基础设施的构建具有重要战略意义","充电系统的故障诊断与检修工作只需关注技术层面的问题,无需考虑用户的情感体验","通过充电技术的服务与维护,可以成为绿色出行和低碳生活的倡导者","关于新能源汽车充电系统的社会责任与重要性,下列哪些表述是正确的","v2",1,{"answer":29,"createTime":5,"id":30,"options":31,"question":32,"source":26,"type":33},[],1118919613,[8,9],"在更换新能源汽车慢充充电口时,必须先进行高压断电和断开12伏特蓄电池的负极接头,这是为了防止意外激活系统并确保操作安全",3,{"answer":35,"createTime":5,"id":36,"options":37,"question":42,"source":26,"type":43},[],1118919614,[38,39,40,41],"断开蓄电池负极电缆&rarr;拆卸左前轮罩衬板&rarr;断开交流充电高压线束连接器&rarr;拆卸交流充电插座总成","关闭车辆电源&rarr;断开蓄电池负极电缆&rarr;断开交流充电高压线束连接器&rarr;拆卸交流充电插座总成","断开交流充电插座线束连接器&rarr;拆卸左前轮罩衬板&rarr;断开蓄电池负极电缆&rarr;拆卸交流充电插座总成","拆卸左前轮&rarr;断开蓄电池负极电缆&rarr;断开交流充电高压线束连接器&rarr;拆卸交流充电插座总成","在进行新能源汽车慢充充电口更换时,下列哪项操作顺序是正确的",0,{"answer":45,"createTime":5,"id":46,"options":47,"question":48,"source":26,"type":33},[],1118919615,[8,9],"在电动汽车采用模式3加可拆卸电缆组连接方式时,车辆控制装置必须在车载充电机自检无故障且动力电池处于可充电状态时才能闭合开关S2请求充电桩供电",{"answer":50,"createTime":5,"id":51,"options":52,"question":57,"source":26,"type":43},[],1118919616,[53,54,55,56],"车辆集成式充电连接形式的充电电缆和充电枪永久固定连接于充电桩","可拆卸电缆组连接形式的充电电缆组件一端连接车辆充电接口,另一端连接供电插座","供电设备固定式连接形式的充电电缆组件可以随时拆卸,方便携带","车辆集成式充电连接形式是目前主流公共充电站的标准配置","下列关于新能源汽车充电连接方式的描述,哪一项是正确的",{"answer":59,"createTime":5,"id":60,"options":61,"question":66,"source":26,"type":43},[],1118919617,[62,63,64,65],"车载充电机的主要功能是将电网的直流电转换为交流电","家用便携式交流充电盒的功率通常为7千瓦","交流充电桩充电时,车载充电机直接将交流电充入动力电池","慢充充电口国标采用7个端子的结构,包括CC、CP、PE等端子","下列哪项关于新能源汽车慢充充电口的描述是正确的",{"answer":68,"createTime":5,"id":69,"options":70,"question":76,"source":26,"type":27},[],1118919618,[71,72,73,74,75],"交流充电的本质是利用车载充电机将交流电转换为直流电","家用便携式交流充电盒的功率通常在1.6千瓦至3.5千瓦之间","交流充电桩的充电功率通常为7千瓦,单相220伏特\u002F32安培","国标交流充电桩的接口采用7个端子结构,其中PE为保护接地端子","家用便携式交流充电盒适用于应急补电或无固定充电桩的社区场景","关于新能源汽车慢充充电口及检测,以下哪些描述是正确的",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":26,"type":43},[],1118919619,[81,82,83,84],"用于检测充电枪是否完全插入并锁止","用于控制充电桩的供电开关","用于调节充电电流的大小","用于显示充电进度","在新能源汽车直流快充系统中,CC信号的主要作用是什么",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":26,"type":43},[],1118919620,[90,91,92,93],"检测点1与PE之间的电压由6伏特变为4伏特","车辆控制器12伏特信号电压通过电阻R5、CC2端子、R3、PE端子形成回路","直流充电桩控制器与车辆控制器通过S正、S负发送通信握手报文","充电桩控制器控制低压继电器K3、K4闭合","在直流充电过程中,以下哪个步骤标志着充电桩确认充电枪连接到位并准备开始供电",{"answer":96,"createTime":5,"id":6,"options":97,"question":14,"source":26,"type":33},[],[8,9]]