[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f-fzTspIlfo9NbIV6sDLBhGyD269YGuRwFyVzJimE3Sc":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2025-11-29 10:50:34",245041094,[8,9,10,11],"塔釜液位持续上升","各点压力读数稳定","回流液和馏出液流量稳定","塔顶和塔釜温度稳定",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},50,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","exam_167948766","《化工原理二》实验室操作考试","精馏实验中,判断操作是否达到稳定状态的依据不包括",[21,26,35,44,53,62,71,80,89,98],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",0,{"answer":27,"createTime":5,"id":28,"options":29,"question":34,"source":24,"type":25},[],245041095,[30,31,32,33],"非结合水分","结晶水","平衡水分","结合水分","干燥曲线(物料含水率 vs. 时间)中,恒速干燥阶段去除的水分主要是",{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":24,"type":25},[],245041096,[39,40,41,42],"操作压力下的水的沸点","塔釜易挥发组分的沸点","进料组分的平均沸点","塔顶馏出液主要组分的沸点","精馏塔正常操作时,塔顶温度通常对应于",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":24,"type":25},[],245041097,[48,49,50,51],"馏出液量与进料量之比","回流量与进料量之比","回流量与馏出液量之比","上升蒸汽量与回流量之比","精馏塔操作中,回流比R的定义是",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":24,"type":25},[],245041098,[57,58,59,60],"填料塔液泛","吸收剂流量过小","吸收剂流量过大","混合气流量过小","吸收实验中,测量尾气浓度时,若发现吸收质浓度几乎为零,最可能的原因是",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":24,"type":25},[],245041099,[66,67,68,69],"在线水分仪法","干燥器失重法","红外法","电容法","干燥实验中,用来测量物料干基含水率的经典方法是",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":24,"type":25},[],245041100,[75,76,77,78],"降速干燥阶段","平衡阶段","恒速干燥阶段","预热阶段","在干燥特性曲线测定实验中,干燥介质(空气)的流速主要影响哪个干燥阶段",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":24,"type":25},[],245041101,[84,85,86,87],"纯度提高,产量提高","纯度降低,产量提高","纯度降低,产量降低","纯度提高,产量降低","精馏塔操作中,增大回流比,对塔顶产品纯度和产量的影响是",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":24,"type":25},[],245041102,[93,94,95,96],"紧密堆积以节省空间","均匀铺开,留有间隙利于空气流通","放在离门最近的地方方便取用","直接放在加热元件上以提高效率","实验室干燥箱在使用时,物料摆放应",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":24,"type":25},[],245041103,[102,103,104,105],"用干沙或专用吸附材料覆盖清理","用水冲洗","用防静电容器收集并告知指导老师","用抹布擦拭后拧入水槽","处理实验过程中洒落的易燃化学品(如乙醇)时,应使用"]