[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fp_iLKEwWhb9uqx5C1zKg9HdDQZ0s-7bqRA7hN01cnC4":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":17,"related":18,"source":24,"type":25},[],"2025-06-16 19:17:06",201867068,[8,9],"正确","错误",{"count":11,"courseId":12,"courseImg":13,"courseName":14,"workId":15,"workName":16},10,"31961984a8c2d6623cd60ee2798d7c9f","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F09fd862d79ec89c36fd37536942bf0d0.png","电机与电气控制技术","work_44203708","常用低压电气随堂测验1","熔断器更换熔体时应停电操作,严禁带负荷更换熔体",[19,26,31,34,39,50,59,68,74,80],{"answer":20,"createTime":5,"id":21,"options":22,"question":23,"source":24,"type":25},[],201867055,[8,9],"低压刀开关的主要作用是检修时实现电气设备与电源的隔离","v1",3,{"answer":27,"createTime":5,"id":28,"options":29,"question":30,"source":24,"type":25},[],201867059,[8,9],"熔断器的熔断电流即其额定电流",{"answer":32,"createTime":5,"id":6,"options":33,"question":17,"source":24,"type":25},[],[8,9],{"answer":35,"createTime":5,"id":36,"options":37,"question":38,"source":24,"type":25},[],201867074,[8,9],"低压配电装置应装设短路保护,过负荷保护和接地故障保护",{"answer":40,"createTime":41,"id":42,"options":43,"question":48,"source":24,"type":49},[],"2025-06-16 19:17:07",201867081,[44,45,46,47],"铜","银合金","钨","铁","交流接触器的触电材料一般采用( )",0,{"answer":51,"createTime":41,"id":52,"options":53,"question":58,"source":24,"type":49},[],201867085,[54,55,56,57],"大于","小于","等于","无法确定","熔断器的额定电流应( )电动机额定电流",{"answer":60,"createTime":41,"id":61,"options":62,"question":67,"source":24,"type":49},[],201867094,[63,64,65,66],"最大电流","最小电流","额定电压","最小电压","低压断路器的额定电流是指在( )下,能够正常工作的电流",{"answer":69,"createTime":41,"id":70,"options":71,"question":72,"source":24,"type":73},[],201867100,[],"低压电器是指工作电压在( )或( )以下的各种电器",2,{"answer":75,"createTime":76,"id":77,"options":78,"question":79,"source":24,"type":73},[],"2025-06-16 19:17:08",201867105,[],"电气控制系统图一般有三种:___________、______________、_________________",{"answer":81,"createTime":76,"id":82,"options":83,"question":84,"source":24,"type":73},[],201867110,[],"控制设备按照其操作方式可分为( )和( )"]