[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fV37wxXAjnSG4xqfIgkg1_zHg3TQpcx2SQyxeDMS2yec":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":18,"related":19,"source":29,"type":30},[],"2024-06-19 09:43:24",994616050,[8,9,10,11],"辅助、主","辅助、控制","主、主","主、控制",{"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},"1000089123","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbef096e8aa297d16aa9aaf6bd6cd80e0.jpg","智能电气控制技术","58041922","项目一单元测试","交流接触器的( )触头额定电流较大,可以用来接通或断开大电流的( )电路",[20,31,34,43,52,61,70,79,87,92],{"answer":21,"createTime":5,"id":22,"options":23,"question":28,"source":29,"type":30},[],994616048,[24,25,26,27],"过载","短路","失压","限位","行程开关是反映生产机械运动部件行进位置的主令电器,用于生产机械的( )保护","v2",0,{"answer":32,"createTime":5,"id":6,"options":33,"question":18,"source":29,"type":30},[],[8,9,10,11],{"answer":35,"createTime":5,"id":36,"options":37,"question":42,"source":29,"type":30},[],994616051,[38,39,40,41],"延时、延时","瞬时、瞬时","延时、瞬时","瞬时、延时","通电延时型时间继电器,它的动作情况是线圈通电时触点( )动作,断电时触点( )动作",{"answer":44,"createTime":5,"id":45,"options":46,"question":51,"source":29,"type":30},[],994616052,[47,48,49,50],"熔断器","接触器","时间继电器","主令电器","下列电路中能实现短路保护的是( )",{"answer":53,"createTime":5,"id":54,"options":55,"question":60,"source":29,"type":30},[],994616053,[56,57,58,59],"在两个接触器的线圈电路中互串入对方的动断触点","在KM1接触器的线圈电路中串入KM2接触器的动合触点","在KM2接触器的线圈电路中串入KM1接触器的动合触点","在两个接触器的线圈电路中互串入对方的动合触点","KM1、KM2两个接触器,欲实现连锁控制,则应( )",{"answer":62,"createTime":5,"id":63,"options":64,"question":69,"source":29,"type":30},[],994616054,[65,66,67,68],"有短路保护、有过载保护","有短路保护、无过载保护","无短路保护、有过载保护","无短路保护、无过载保护","低压断路器( )",{"answer":71,"createTime":5,"id":72,"options":73,"question":78,"source":29,"type":30},[],994616055,[74,75,76,77],"QS","FR","KT","KM","接触器的文字符号是( )",{"answer":80,"createTime":5,"id":81,"options":82,"question":85,"source":29,"type":86},[],994616056,[83,84],"对","错","&lrm;接触器能频繁的通断电路并具有低压保护功能.( )",3,{"answer":88,"createTime":5,"id":89,"options":90,"question":91,"source":29,"type":86},[],994616057,[83,84],"电气原理图分为主电路和控制电路.( )",{"answer":93,"createTime":5,"id":94,"options":95,"question":96,"source":29,"type":86},[],994616058,[83,84],"要求几个条件同时具备时,才使继电器线圈得电动作,可用几个常闭触点与线圈并联的方法实现.( )"]