【判断题】【消耗次数:1】
国标规定:凡初凝时间、终凝时间不符合规定的水泥为不合格品。
正确
错误
参考答案:
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相关题目
【判断题】 初凝时间不符合规定的硅酸盐水泥为废品。
①  正确
②  错误
【判断题】 若水泥的初凝时间不合格,则该水泥为不合格水泥。
①  正确
②  错误
【判断题】 水泥体积安定性不合格为不合格品
①  正确
②  错误
【判断题】 水泥体积安定性不合格为废品,水泥细度不合格为不合格品。
①  正确
②  错误
【单选题】 通常要求普通硅酸盐水泥的初凝时间和终凝时间( )
①  >45min和>10h
②  >45min和10h
【判断题】 硅酸盐水泥标准规定,初凝时间不得早于25分钟,终凝时间不得迟于6.5小时。
①  正确
②  错误
【多选题】 当水泥( )等指标不符合要求时,该水泥判定为不合格水泥
①  强度
②  初凝时间
③  细度
④  游离氧化钙
⑤  安定性
【判断题】 水泥稳定材料所用水泥初凝时间应大于3h,终凝时间应大于6h且小于10h
①  正确
②  错误
【单选题】 国家标准规定:硅酸盐水泥的终凝时间不得长于()小时
①  A、5.5
②  B、6
③  C、6.5
④  D、10(其他5类)
【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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