【单选题】【消耗次数:1】
通用硅酸盐水泥的主要组分包括( )。
硅酸盐水泥熟料、石膏和混合材料
硅酸盐水泥生料、石膏和混合材料
石灰、石膏和混合料
硅酸盐水泥熟料、石灰和混合材料
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【多选题】 掺加混合材料的常用硅酸盐水泥有( )
①  矿渣水泥
②  火山灰水泥
③  粉煤灰水泥
④  铝酸盐水泥
⑤  钢纤维水泥
【单选题】 硅酸盐水泥和通用硅酸盐水泥的初凝时间要求不小于( )。
①  40min
②  45min
③  50min
④  55min
【单选题】 混凝土浇水养护的时间:对采用硅酸盐水泥、普通硅酸盐水泥或矿渣硅酸盐水泥拌制的混凝土,不得少于()。
①  7d
②  10d
③  5d
④  14d
【单选题】 抹灰常用的水泥为不小于( )级的普通硅酸盐水泥、矿渣硅酸盐水泥。
①  32.5
②  32.5R
③  42.5
④  42.5R
【单选题】 通用硅酸盐水泥的生产原料主要是( )。
①  石膏和石灰
②  石灰质原料和黏土质原料
③  石灰质原料和水
④  黏土质原料和石膏
【判断题】 由硅酸盐水泥熟料、0%~5%石灰石或粒化高炉矿渣、适量石膏磨细制成的水硬性胶凝材料,称为硅酸盐水泥,分P.I和P.II,即国外通称的波特兰水泥。
①  正确
②  错误
【判断题】 硅酸盐水泥中石膏的掺量大小与水泥细度有关.
①  正确
②  错误
【判断题】 国家标准规定:硅酸盐水泥、普通硅酸盐水泥的比表面积应大于300m2/kg。
①  正确
②  错误
【单选题】 硅酸盐水泥的水化速度表现为( )。
①  早期快后期慢
②  早期慢后期快
③  早期慢中间快后期慢
④  早期慢中间慢后期快
【单选题】 硅酸盐水泥的初凝时间不得早于( )。
①  15min
②  25min
③  35min
④  45min
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