【单选题】【消耗次数:1】
在填料塔中填料的种类有散装填料、 _____、格栅填料。
喷淋填料
逆向填料
规整填料
顺序填料
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相关题目
【单选题】 填料塔使用的填料中,比表面积大、传质效率高,但造价高易堵塞的是( )。
①  拉西环
②  巨鞍形填料
③  丝网波纹填料
【多选题】 用于公路路基的土质填料,应通过取样试验确定填料的()
①  A、最小强度
②  B、级配
③  C、抗弯拉强度
④  D、最大粒径
【单选题】 填料塔中安装液体再分布装置,其目的是( ?)。
①  保证填料充分湿润
②  防止液泛
③  支承填料
④  改善壁流效应?
【单选题】 下列不是填料种类的是( )。
①  阶梯环
②  鲍尔环
③  拉西环
④  金属环
【单选题】 下列各项中,不属于填料塔的部件的是( )。
①  填料支承结构
②  液体在分布器
③  溢流堰
④  喷淋装置
【多选题】 关于路基填料选择的正确说法是()
①  A、填料要求挖取方便,压实容易,强度高,水稳定性好
②  B、含草皮、树根的土质严禁作为路基填料
③  C、强膨胀土可以直接作为路基填料
④  D、级配良好的砾石混合料可以作为路基填料
【多选题】 吸附柱色谱常用填料有
①  凝胶
②  氧化铝
③  聚酰胺
④  大孔吸附树脂
【单选题】 填料的静持液量与( )有关。
①  填料特性
②  液相负荷
③  固体特性
④  气相负荷
【单选题】 填料塔的内部填有一定高度的填料,气体作为连续相自塔底向上流动,与液体进行( )传质。
①  顺序
②  间接
③  连续
④  逆向选项
【单选题】 塔设备按照塔的内件可以分为( )和填料塔。
①  干燥塔
②  萃取塔
③  板式塔
④  减压塔
随机题目
【单选题】 9.“Has he seen this film?” “Yes. He _______ it several days ago.”
①  saw
②  has seen
③  had seen
④  was seeing
【单选题】 3.A hunter is a man who animals.
①  catch
②  catches
③  will catch
④  was catching
【单选题】 2.She the door before she goes away.
①  had locked
②  is locking
③  has locked
④  was locking
【单选题】 4.What if I drink this?
①  happens
②  is happening
③  will happen
④  is happened
【单选题】 10.Now Mike isn’t here. He _________ Mr. Green’s. Perhaps he _______ back in a few minutes.
①  went to; is coming
②  has gone to; will come
③  has been to ; will be
④  is going to; has come
【单选题】 6.Look out! That tree _______ fall down.
①  is going to
②  will be
③  shall
④  would
【单选题】 8.They can’t leave until they ______ their work.
①  did
②  are doing
③  have done
④  has done
【单选题】 1.When I saw Mary, she on the piano.
①  is playing
②  plays
③  was playing
④  played
【单选题】 7. My uncle __________ to see me. He’ll be there soon.
①  comes
②  is coming
③  had come
④  came
【单选题】 14.They ______ lunch at home every day.
①  have not
②  didnt have
③  dont have
④  have not any