[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fR8Jxe-TMR5_l4THpVAaxqf1YeBdwCNIGMIaFFqrSh0c":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2023-09-18 16:34:06",97362110,[8,9,10,11],"万用表","兆欧表","示波器","电笔",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},47,"99eea327b94e0ab77f77fa309ae9bedd","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdb4d3aff00036d926943888714350502.jpg","实验室安全","5c74170605504053beb0a2220b8913cb","电器类单元测试","测量绝缘电阻可用",[21,32,41,44,53,62,71,80,88,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],97362108,[25,26,27,28],"蓝、双色线、黄、绿、红","黄、绿、红、蓝、双色线","双色线、黄、绿、红、蓝","红、蓝、双色线、黄、绿","动力配电线五线制U、V、W、零线、地线的色标分别为","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],97362109,[36,37,38,39],"电压源不能短路","电流源不能短路","电流源能短路","上述操作都是正确的","电路实验中,下列哪种操作是错误的",{"answer":42,"createTime":5,"id":6,"options":43,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":30,"type":31},[],97362111,[48,49,50,51],"25V","36V","5V","AABV","安全电压是指保证不会对人体产生致命危险的电压值,工业中使用的安全电压是多少以下",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":30,"type":31},[],97362112,[57,58,59,60],"电源保险丝不起作用","带电改接电气线路","绝缘老化或破坏","室内湿度","引发电气火灾的初始原因",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":30,"type":31},[],97362113,[66,67,68,69],"呼吸困难","神经失常","疲劳无力","心跳减慢","长期在高频电磁场作用下,操作者会有什么不良反应",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":30,"type":31},[],97362114,[75,76,77,78],"电流的大小","触电电流经人体的途径","电流的频率、人体电阻","以上都是","影响电流对人体伤害程度的主要因素是什么",{"answer":81,"createTime":5,"id":82,"options":83,"question":87,"source":30,"type":31},[],97362115,[84,85,86],"二氧化碳灭火器","干粉灭火器","泡沫灭火器","下列哪种灭火器不适于扑灭电器火灾",{"answer":89,"createTime":90,"id":91,"options":92,"question":97,"source":30,"type":31},[],"2023-09-18 16:34:07",97362116,[93,94,95,96],"无电","也许有电","有电","也许无电","任何电气设备在未验明无电之前,一律认为",{"answer":99,"createTime":90,"id":100,"options":101,"question":106,"source":30,"type":31},[],97362117,[102,103,104,105],"电压表","正常的验电工具","断开信号","电流表","设备或线路的确认无电,应以什么指示作为根据"]