[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f4ltQXpI5lDkuhLPlPEKnVOLAWVw3Rc22jkG6iXsv2zo":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":11,"question":18,"related":19,"source":28,"type":29},[],"2026-03-17 01:44:35",324190237,[8,9,10],"100°","120°","110°",{"count":12,"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},455,"f25ccc5ec83501e1b98d91f6d4fdf561","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe806e72685df793f2993881c51d28679.jpg","土木工程事故分析与处理","work_50624785","建筑工程施工安全","起重作业时,起吊物应绑牢,吊钩悬挂应与吊物的重心在同一垂直线上,吊钩钢丝绳应保持垂直,严禁偏拉斜吊.捆绑用千斤绳夹角一般不大于90°,最大不得超过( )",[20,30,38,46,54,62,65,73,81,89],{"answer":21,"createTime":5,"id":22,"options":23,"question":27,"source":28,"type":29},[],324190232,[24,25,26],"24V","12V","36V","在潮湿场所,金属容器及管道内行灯电压不得超过( )伏","v1",0,{"answer":31,"createTime":5,"id":32,"options":33,"question":37,"source":28,"type":29},[],324190233,[34,35,36],"8米及8米以上","5米及5米以上","2米及2米以上","凡在坠落高度基准面( )有可能坠落的高出进行的作业均称为高处作业",{"answer":39,"createTime":5,"id":40,"options":41,"question":45,"source":28,"type":29},[],324190234,[42,43,44],"1.5","1.25","1.1","链条葫芦新装或大修后应以( )倍允许荷重进行10分钟的静力实验",{"answer":47,"createTime":5,"id":48,"options":49,"question":53,"source":28,"type":29},[],324190235,[50,51,52],"20米","10米","15米","氧气、乙炔站周围多少米范围内严禁烟火( )",{"answer":55,"createTime":5,"id":56,"options":57,"question":61,"source":28,"type":29},[],324190236,[58,59,60],"14","10","6∽8","钢丝绳在作捆绑用时,安全系数规定为( )倍",{"answer":63,"createTime":5,"id":6,"options":64,"question":18,"source":28,"type":29},[],[8,9,10],{"answer":66,"createTime":5,"id":67,"options":68,"question":72,"source":28,"type":29},[],324190238,[69,70,71],"5圈","4圈","3圈","使用卷扬机时,钢丝绳应从卷筒下方卷入,卷筒上的钢丝绳应排列整齐 ,工作时最少应保留多少圈( )",{"answer":74,"createTime":5,"id":75,"options":76,"question":80,"source":28,"type":29},[],324190239,[77,78,79],"1\u002F2","1\u002F3","1\u002F4","砂轮片的有效半径磨损到原来的半径( )时必须更换",{"answer":82,"createTime":5,"id":83,"options":84,"question":88,"source":28,"type":29},[],324190240,[85,86,87],"290 ㎏\u002F㎡","270㎏\u002F㎡","250㎏\u002F㎡","脚手架搭设后应经施工及使用部门验收合格并挂牌后方可交付使用.使用中应定期检查和维护.脚手架的荷载不得超过( )",{"answer":90,"createTime":5,"id":91,"options":92,"question":96,"source":28,"type":29},[],324190241,[93,94,95],"40°","45°","60°","移动式梯子宜用于高度在4米以下的短时间内可完成的工作.梯子使用前应进行检查、确认安全、稳固后方可使用.使用时,梯脚应有可靠的防滑措施并搁置稳固,与地面夹角以多少为宜.( )"]