[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fVc1hGyO2x6V8pWHbEkpaWnVVdaPQCPXkE6pZNVa5ie8":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-06-05 19:01:56",194870996,[8,9,10,11],"1\u002F2","1\u002F3","1\u002F4","2\u002F3",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},10,"e7488412b9a2df9ac95fb1eb1700f8b7","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F25b30343053994e8940089572d36015b.jpg","化工电气与仪表自动化","work_42093134","化工仪表-2(压力)-选择.xlsx","调校压力表用的标准表,其绝对误差应小于被校表绝对误差的( )",[21,32,35,44,52,61,71,80,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],194870994,[25,26,27,28],"1.0级","1.5级","2.0级","0.5级","若一块压力表的量程为0~16kgf\u002Fcm2,要求测量值的绝对误差不大于+0.2 kgf\u002Fcm2,应选用( )级的仪表(1 kgf\u002Fcm2=105Pa)","v1",0,{"answer":33,"createTime":5,"id":6,"options":34,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":30,"type":31},[],194871000,[39,40,41,42],"因压力过低仪表没有指标","相对误差增加","精度等级下降","压力表的转动机构要变形","压力表的使用范围一般在它量程的1\u002F3~2\u002F3处,如果低于1\u002F3.则( )",{"answer":45,"createTime":5,"id":46,"options":47,"question":51,"source":30,"type":31},[],194871002,[48,49,50,28],"0.4级","0.25级","0.1级","精密压力表的准确度等级应不低于( )",{"answer":53,"createTime":5,"id":54,"options":55,"question":60,"source":30,"type":31},[],194871009,[56,57,58,59],"位移","膨胀","变化","波动","单圈弹簧管式压力表的弹簧管通入被测压力后,产生向外挺直的扩张形变,自由端产生微小( )",{"answer":62,"createTime":63,"id":64,"options":65,"question":70,"source":30,"type":31},[],"2025-06-05 19:01:57",194871014,[66,67,68,69],"金属膜片","塑料膜片","波纹管","弹簧管","下列弹性膜片中,不能用作弹性式压力表弹性元件的是( )",{"answer":72,"createTime":63,"id":73,"options":74,"question":79,"source":30,"type":31},[],194871024,[75,76,77,78],"量程","型号","测压范围","压力单位","压力检测仪表的仪表类型的选择是指对压力表的种类、( )和材质的选择",{"answer":81,"createTime":63,"id":82,"options":83,"question":88,"source":30,"type":31},[],194871029,[84,85,86,87],"隔离装置","冷却装置","缓冲装置","平衡装置","被测介质具有腐蚀性时,必须在压力表前加装( )",{"answer":90,"createTime":63,"id":91,"options":92,"question":97,"source":30,"type":31},[],194871034,[93,94,95,96],"水平","倾斜","垂直","任意角度","压力表在现场的安装需( )",{"answer":99,"createTime":100,"id":101,"options":102,"question":107,"source":30,"type":31},[],"2025-06-05 19:01:58",194871037,[103,104,105,106],"测量原理","测量结构","测量方式","测量参数","绝对压力变送器与一般压力变送器的主要区别是( )"]