【判断题】【消耗次数:1】
材料的渗透系数越小,抗渗性能越好。
正确
错误
参考答案:
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相关题目
【判断题】 材料的渗透系数越小,抗渗性能越差。
①  正确
②  错误
【判断题】 材料的渗透系数愈大,其抗渗性能愈好( )。
①  正确
②  错误
【判断题】 材料的渗透系数愈大,其抗渗性能愈好( )。
①  正确
②  错误
【判断题】 软化系数越大,说明材料的抗渗性越好。
①  正确
②  错误
【单选题】 材料抗渗性的指标为( )。
①  软化系数
②  渗透系数
③  抗渗指标
④  吸水率
【判断题】 材料的导热系数越大,其保持隔热性能越好。
①  正确
②  错误
【简答题】 材料的抗渗性是指材料_____ 。混凝土等的抗渗性常用_____ 表示。
【单选题】 下列土体中,渗透系数值最大的是()
①  砂土
②  粉土
③  粉质粘土
④  致密粘土
【判断题】 材料的抗渗性与材料内部的孔隙率特别是开口孔隙率有关,开口孔隙率越大,大孔含量越多,则抗渗性越好。
①  正确
②  错误
【单选题】 下列土体中,渗透系数K值最大的是()
①  砂土
②  粉土
③  粉质粘土
④  致密粘土
随机题目
【单选题】 I thought you________like something to read,so I have bought you some books.
①  may
②  might
③  could
④  must
【单选题】 A hunter is a man who______ animals.
①  catch
②  catches
③  will catch
④  was catching
【单选题】 If they______to do this work,he might do it some other way.
①  were
②  should
③  will
④  can
【单选题】 “I love you” is never a touch on lightly; its the signal ______ a romantic relationship is serious,or an indication of closeness between parents and children.
①  that
②  why
③  when
④  whether
【单选题】 “ 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】 The thought flashed across my mind: “By some ?means or______ she has some information about my engagement. But how?”
①  other
②  others
③  the other
④  the others
【单选题】 You cant imagine what great trouble they have________the problem________.
①  to solve;being talked about
②  solving;discussing
③  to solve;to talk about
④  solving;being discussed
【单选题】 When I saw Mary , she _______on the piano.
①  is playing
②  plays
③  was playing
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【单选题】 “When _______school begin ?” “Next Monday.”
①  has
②  does
③  did
④  is going to
【单选题】 This box is______that one.
①  heavy than
②  so heavy than
③  heavier as
④  as heavy as