【判断题】【消耗次数:1】
矿质混合料由碎石、石屑、砂、矿粉组成,可以用试算法确定各材料用量比例
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相关题目
【判断题】 水泥稳定碎石材料组成设计中水泥用量按最佳用量方法设计。()
①  正确
②  错误
【多选题】 矿质混合料的级配类型有哪些
①  密级配
②  开级配
③  连续级配
④  间断级配
【简答题】 水泥混凝土混合料是由[填空(1)]、水、粗集料、[填空(2)] 按适当比例配合、拌制而成的混合料。
【单选题】 桥用C40的混凝土,经设计配合比为水泥:水:砂:碎石=380:175:610:1300,采用相对用量可表示为
①  1:1.61:3.42,W/C=0.46
②  1:0.46:1.61:3.42
③  1:1.6:3.4 ,W/C=0.46
④  1:0.5:1.6:3.4
【判断题】 沥青与矿料的粘附等级越高,说明沥青与矿料的粘附性越好
①  正确
②  错误
【多选题】 通常沥青混合料的组成结构有哪些
①  悬浮—密实结构
②  骨架—空隙结构
③  骨架—密实结构
④  悬浮—空隙结构
【多选题】 通过配合比设计,可以决定沥青混合料的哪些指标
①  材料品种
②  矿料级配
③  沥青用量
④  碾压温度
【判断题】 35. 注射用无菌粉末也称为粉针,可以用注射用水溶解后注射。
①  正确
②  错误
【单选题】 普通混凝土的组成材料中,砂的选择主要依据错误的是()
①  A颗粒级配和粗细程度
②  B砂中含泥量及泥块含量
③  C砂的强度
④  D有害物质含量
【单选题】 下列混合成本中,可以用y=a+bx表示的是( )
①  半固定成本
②  延伸变动成本
③  半变动成本
④  阶梯式变动成本
随机题目
【单选题】 I’m very sorry to have ____ you with so many questions on such an occasion.
①  interfered
②  offended
③  impressed
④  bothered
【单选题】 If we say some food is ____, we mean it is safe to eat.
①  ideal
②  editable
③  ideate
④  edible
【单选题】 Most people came to realize that it was about time the government ____ further measures to control the population.
①  must take
②  is taking
③  takes
④  took
【单选题】 He always has a lot of _______ ideas in his mind , and sometimes we do not even know what he is thinking about.
①  novel
②  spoil
③  acceptable
④  additional
【单选题】 Her skin was dry after ____ to the wind during the trip.
①  failure
②  disclosure
③  exposure
④  pressure
【单选题】 Though ____ in a big city, Peter always prefers to paint the primitive scenes of country life.
①  grown
②  raised
③  tended
④  cultivated
【单选题】 The medicine is on sale everywhere. You can get it at ______ chemist’s.
①  each
②  some
③  certain
④  any
【单选题】 The computer has brought about surprising technological changes ____ we organize and produce information.
①  in a way
②  in the way
③  in that way
④  in no way
【单选题】 When Mr. Jones gets old, he will ____ his business to his son.
①  take over
②  hand over
③  think over
④  get over
【单选题】 The ____ of Liberty was dedicated on an island in Upper New York Bay in 1886.
①  Status
②  Statue
③  Stature
④  State