[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fljhzlHrp9ZfcKr7ZdZMAQQcHtDmfJcNU4nYPUyUsrFo":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-12-03 20:34:07",249275539,[8,9,10,11],"10⁵","2*10⁷","2*10⁶","2*10⁵",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},200,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","exam_167656698","单选题10(200道)","密度为1000kg\u002Fm³的流体,在108*4的钢管内流动,流速为2m\u002Fs,流体的粘度为1cp,其雷诺教佳数Re为()",[21,32,41,50,59,68,77,86,95,104],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],249275528,[25,26,27,28],"管路布置平面图","工艺流程图","方案流程图","化工设备图","是利用图示表示出物料走向、生产条件、管路、阀门和管件、仪表控制点等的生产过程简图","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],249275529,[36,37,38,39],"9.1","10","11","10.4","用10kgNa 3PO 4和100L水配制Na 3PO 4溶液,配制的溶液浓度为()%",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],249275530,[45,46,47,48],"100","102","98","104","欲用500mL水配制2%的 NaOH溶液,需要NaOH()g",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],249275531,[54,55,56,57],"27.75","30.9","45.2","51.1","用一单效蒸发器浓缩浓度为18.5%的NaCl溶液,已知处理量为15t\u002Fh,蒸发的水分量为5t\u002Fh,浓缩后NaCI溶液的浓度为()",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],249275532,[63,64,65,66],"1","0.87","0.78","0.13","某压缩机组9月份在系统再生期间,利用四天时间进行消漏等小修工作后投入生产,则该压缩机组的开工率为()",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],249275533,[72,73,74,75],"13","7","4","2","某压缩机组9月份的设备开工率为87%,那么该压缩机组的停车时间为()天",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":30,"type":31},[],249275534,[81,82,83,84],"403.8KPa","698.1KPa","600KPa","无法确定","某塔高30m,进行水压试验时,离塔底10m高处的压力表的读数为500kPa,(塔外大气压强为100kPa).那么塔顶处水的压强为()",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":30,"type":31},[],249275536,[90,91,92,93],"0.136","0.035","0.03","0.101","一高3m的预分解槽内充满了液体,并将其隔离,它的密度为1197kg\u002Fm3,则槽底部的压强为()MPa",{"answer":96,"createTime":5,"id":97,"options":98,"question":103,"source":30,"type":31},[],249275538,[99,100,101,102],"1.55","2.09","3.12","5.15","用一虹吸管将高位槽的水引向低位槽(假设高位槽的液面位置不变),水在管中的流速为1m\u002Fs,水在管内流动时能量损失为20J\u002Fkg,则高位槽的液面应比虹吸管的出口高(",{"answer":105,"createTime":5,"id":6,"options":106,"question":19,"source":30,"type":31},[],[8,9,10,11]]