[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fgLpP8PyhtcaYbuCSd4uVsE6Yy8cOucOyYSQml83ak0M":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":18,"related":19,"source":23,"type":24},[],"2025-11-25 18:48:35",241727811,[8,9,10,11],"3","4","2","1",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17},210,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","5136f4f6ad7f4b36afa9e8d626bde8f6","使用高凳时,单凳只准站1人,双凳支开后,两凳间距不得超过( )米;如使用较高的梯子和高凳时,还应根据需要采取相应的安全措施",[20,25,34,43,50,58,67,76,85,94],{"answer":21,"createTime":5,"id":6,"options":22,"question":18,"source":23,"type":24},[],[8,9,10,11],"v1",0,{"answer":26,"createTime":5,"id":27,"options":28,"question":33,"source":23,"type":24},[],241727812,[29,30,31,32],"70°~80°","60°~70°","50°~80°","50°~60°","使用梯子时,单梯只许上1人操作,支设角度以( )为宜,梯子下脚要采取防滑措施",{"answer":35,"createTime":5,"id":36,"options":37,"question":42,"source":23,"type":24},[],241727813,[38,39,40,41],"20","30","40","10","气体灭火系统气体喷放后,一定要等到防护区内气体全部排完才能进入设备房,正常情况下,要求喷后至少( )分钟后才能进入",{"answer":44,"createTime":5,"id":45,"options":46,"question":49,"source":23,"type":24},[],241727814,[47,11,48,10],"0.5","1.5","为保证人身安全,除专业人员按规定作业外,任何人员所携带的物件(包括长杆、扶梯等)与接触网带电部位需保持( )米以上的距离",{"answer":51,"createTime":5,"id":52,"options":53,"question":57,"source":23,"type":24},[],241727815,[54,55,56],"是否转动","短路和开路","零点、","用兆欧表测量绝缘电阻前,应对兆欧表作( )的检查",{"answer":59,"createTime":5,"id":60,"options":61,"question":66,"source":23,"type":24},[],241727816,[62,63,64,65],"36、","37、","38、","35、","高温天气是指地市级以上气象主管部门所属气象台站向公众发布的日最高气温( )℃以上的天气.、",{"answer":68,"createTime":5,"id":69,"options":70,"question":75,"source":23,"type":24},[],241727817,[71,72,73,74],"工作电压在线电压AC400V以下的用电、","工作电压在线电压AC220V以下的用电、","工作电压在线电压AC110V以下的用电、","工作电压在线电压AC36V以下的用电、","低压用电指的是( ).、",{"answer":77,"createTime":5,"id":78,"options":79,"question":84,"source":23,"type":24},[],241727818,[80,81,82,83],"8mA","10mA、","36mA","50mA、","交流安全电流规定为( )以下,通过人身是安全的",{"answer":86,"createTime":5,"id":87,"options":88,"question":93,"source":23,"type":24},[],241727819,[89,90,91,92],"外壳有电","外壳无电","外壳接地","外壳接零、","涂成红色的电器外壳是表示( )",{"answer":95,"createTime":5,"id":96,"options":97,"question":102,"source":23,"type":24},[],241727820,[98,99,100,101],"验电,停电,设栏,接地,挂牌","停电,验电,设栏,接地,挂牌","验电,停电,设栏,挂牌,接地","停电,验电,接地,设栏,挂牌、","电工作业检修前的安全技术措施顺序依次( )"]