[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fUN0osGqUPI_lMjA4gFbq1XwFA2PC0E0n-Hg8xeAWJt8":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":29,"type":30},[],"2025-06-09 11:12:06",196754116,[8,9,10,11],"变大","不确定","变小","不变",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},146,"c5d9767d8b4bb36601ef4fc610c2efd1","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F346de954a9049d0d0e531b23def0a7b5.JPG","化工单元操作技术","exam_160285238","化工单元操作复习试题","低浓度逆流吸收塔设计中,若气体流量、进出口组成及液体进口组成一定,减小吸收剂用量,传质推动力将( )",[21,31,38,47,56,65,74,77,86,95],{"answer":22,"createTime":5,"id":23,"options":24,"question":28,"source":29,"type":30},[],196754110,[25,26,27,11],"减少","以上答案都不正确","增加","精馏操作中,当F、xF、xD、xW及回流比R一定时,仅将进料状态由饱和液体改为饱和蒸汽进料,则完成分离任务所需的理论塔板数将( )","v1",0,{"answer":32,"createTime":5,"id":33,"options":34,"question":37,"source":29,"type":30},[],196754111,[35,36,25,11],"增大及减少","增大","在温度一组成(t-x-y)图中的气液共存区内,当温度增加时,液相中易挥发组分的含量会( )",{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":29,"type":30},[],196754112,[42,43,44,45],"塔压差明显减小,塔顶产品纯度会降低","塔压差明显增大,塔顶产品纯度会提高","塔压差明显减小,塔顶产品纯度会提高","塔压差明显增大,塔顶产品纯度会降低","精馏塔回流量增加,( )",{"answer":48,"createTime":5,"id":49,"options":50,"question":55,"source":29,"type":30},[],196754113,[51,52,53,54],"6 m3\u002Fs","3m3\u002Fs","1m3\u002Fs","0. 75 m3\u002Fs","含尘气体通过长4m、宽3m、高lm的降尘室,已知颗粒的沉降速度为O.25m\u002Fs,则降尘室的生产能力为( )",{"answer":57,"createTime":5,"id":58,"options":59,"question":64,"source":29,"type":30},[],196754114,[60,61,62,63],"难溶气体,气膜阻力可忽略","易溶气体,气膜阻力可忽略","易溶气体,液膜阻力可忽略","难溶气体,液膜阻力可忽略",""液膜控制"吸收过程的条件是( )",{"answer":66,"createTime":5,"id":67,"options":68,"question":73,"source":29,"type":30},[],196754115,[69,70,71,72],"湍流流速>层流流速","流道截面大的为湍流,截面小的为层流","层流的雷诺数","层流无径向脉动,而湍流有径向脉动","层流与湍流的本质区别是( )",{"answer":75,"createTime":5,"id":6,"options":76,"question":19,"source":29,"type":30},[],[8,9,10,11],{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":29,"type":30},[],196754117,[81,82,83,84],"非结合水","结合水分","自由水分","临界水分","当φ<100%时,物料的平衡水分一定是( )",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":29,"type":30},[],196754118,[90,91,92,93],"2","4","3","5","离心泵的特性曲线有( )条",{"answer":96,"createTime":5,"id":97,"options":98,"question":103,"source":29,"type":30},[],196754119,[99,100,101,102],"流动参数与时间变化无关,与位置有关","流动参数与时间变化和位置变化都有关","流动参数与时间和位置变化均无关","流动参数与时间变化有关,与位置无关","稳定流动是指( )"]