[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fgeZchf5TsWKoCJHPdU7zuiA5PqyFDR2_MX94HHTNuuU":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":17,"related":18,"source":29,"type":106},[],"2025-06-14 23:11:29",200598084,[8,9],"正确","错误",{"count":11,"courseId":12,"courseImg":13,"courseName":14,"workId":15,"workName":16},24,"3156702cc092a82fef5785004c2909ab","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb798aea530f9c99ca18d0a483aaf75df.jpg","电缆工艺原理及应用-2025春季","work_43020613","挤塑1","对于熔融过程而言,螺杆转速增加,摩擦剪切生热增加,总体而言会促进料的熔融",[19,31,40,49,58,67,73,83,92,101],{"answer":20,"createTime":21,"id":22,"options":23,"question":28,"source":29,"type":30},[],"2025-04-28 12:45:16",184980748,[24,25,26,27],"电感应加热、风冷","电阻加热、水冷","电阻加热、风冷","载体加热、水冷","挤塑机通常采用的加热冷却系统以()系统居多","v1",0,{"answer":32,"createTime":21,"id":33,"options":34,"question":39,"source":29,"type":30},[],184980751,[35,36,37,38],"普通等距不等深","低圧缩比等距不等深","突变型","分离型","低烟无卤护套料挤出生产时,选用()螺杆最合适",{"answer":41,"createTime":21,"id":42,"options":43,"question":48,"source":29,"type":30},[],184980754,[44,45,46,47],"3","4","2","1","一般而言,120挤塑机的挤出量约是65挤塑机的()倍",{"answer":50,"createTime":21,"id":51,"options":52,"question":57,"source":29,"type":30},[],184980759,[53,54,55,56],"在固体输送段Q和螺槽深度H近似成正比,螺槽深一些有利于提高产能","螺槽浅,对料流的推挤力均匀,有利于保持料流的稳定","螺槽深,对物料的推挤力大、料流稳定性好,因此多采用大的螺槽深度","在均化段,倒流流量正比于螺槽深度H的三次方,均化段的螺槽太深会使倒流增大很多","以下对螺槽深度描述不正确的是()",{"answer":59,"createTime":21,"id":60,"options":61,"question":66,"source":29,"type":30},[],184980763,[62,63,64,65],"漏流","横流","逆流","正流","螺杆与机筒间隙增大,对()影响最大",{"answer":68,"createTime":21,"id":69,"options":70,"question":72,"source":29,"type":30},[],184980766,[63,65,71,62],"倒流","对挤塑机生产能力影响最大的料流形式为()",{"answer":74,"createTime":21,"id":75,"options":76,"question":81,"source":29,"type":82},[],184980769,[77,78,79,80],"在加料段的机筒内壁开设带锥度的纵向沟槽——增大固体塞的周向摩擦力,利于固体塞沿轴向前进","提高螺杆表面光洁度——降低螺杆与物料的摩擦系数,提高输送速率","工作中对螺杆进行冷却——降低螺杆表面与物料的摩擦系数,提高输送速率","对加料段进行冷却——避免固体塞软化而增大与螺杆间的摩擦力","在加料段,采取()等措施提高固体颗粒料的输送速率",1,{"answer":84,"createTime":21,"id":85,"options":86,"question":91,"source":29,"type":82},[],184980774,[87,88,89,90],"螺杆转速大幅提高时,一般需要提高机身温度进行热量补偿","螺杆转速增加,物料流率增大,会导致物料的均匀度和塑化性能变差","增加螺杆转速,只影响料的流率,对熔融过程不产生影响","增加螺杆转速,摩擦剪切热增加,因此有提高熔融速率的趋势","以下()描述符合螺杆转速提高对物料熔融过程的影响",{"answer":93,"createTime":21,"id":94,"options":95,"question":100,"source":29,"type":82},[],184980777,[96,97,98,99],"外径测量装置","吹干装置","火花试验机","计米装置","以下()等装置能够实现对挤塑制品质量的在线连续检测",{"answer":102,"createTime":21,"id":103,"options":104,"question":105,"source":29,"type":82},[],184980780,[62,65,63,71],"增加过滤网层数或增大过滤网目数,会使()增大",3]