【单选题】【消耗次数:1】
沥青质含量增加时,沥青的黏度和粘结力将( )。
增加
减小
不变
不确定
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相关题目
【单选题】 沥青质含量增加时,沥青的硬度和软化点将( )。
①  降低
②  提高
③  不变
④  不确定
【单选题】 石油沥青的黏结力和延伸性随树脂含量的增加而( )。
①  增加
②  减小
③  不变
④  不确定
【单选题】 在相同稠度等级的沥青中,沥青质含量增加,使沥青的高温稳定性得到(),但低温抗裂性也相应()。
①  提高提高
②  降低降低
③  提高降低
④  降低提高
【单选题】 下列指标中,( )既可以反映沥青的热稳定性,又可以表征沥青的条件黏度。
①  针入度
②  延度
③  软化点
④  针入度指数
【单选题】 防水防潮石油沥青增加了保证低温变形性能的脆点指标,随牌号增加,应用范围()。
①  越窄 
②  越宽 
③  无影响
④  无法判断
【单选题】 石油沥青老化后,其软化点较原沥青将( )。
①  保持不变
②  升高
③  降低
④  先升高后降低
【判断题】 当采用一种沥青不能满足配制沥青胶所要求的软化点时,可随意采用石油沥青和煤沥青掺配。
①  正确
②  错误
【单选题】 假定其他条件不变,税收增加将引起GDP( )。
①  增加但消费水平下降
②  增加同时消费水平提高
③  减少同时消费水平下降
④  减少但消费水平上升。
【判断题】 沥青本身的粘度高低直接影响着沥青混合料粘聚力的大小。
①  正确
②  错误
【判断题】 根据用途不同,沥青分为:道路石油沥青、普通石油沥青、建筑石油沥青。
①  正确
②  错误
随机题目
【单选题】 _____ me most was that the young boy who had lost both arms in an accident could handle a pen with his feet.
①  That amazed
②  It amazed
③  Which amazed
④  What amazed
【单选题】 We will be losing money this year unless new economic plan of yours _____miracle
①  is working
②  works
③  will be working
④  worked
【单选题】 If you have never planted anything, you won’t be able to know the pleasure of watching the thing you have planted _____.
①  grow
②  to grow
③  growing
④  to be growing
【单选题】 Following are comments about the behavior that people in Korea usually expect in various social _____.
①  occasions
②  cases
③  situations
④  circumstances
【单选题】 The elbows on your coat have worn thin, so I must _____them.
①  mend
②  patch
③  repair
④  pitch
【单选题】 Mac’s close _____to his brother made people mistake them for one another.
①  resemblance
②  identity
③  appearance
④  relationship
【单选题】 The thieves _____the waste paper all over the room while they were searching for the diamond ring.
①  spread
②  scratched
③  scattered
④  burned
【单选题】 They _____ our house at $10.000.
①  count
②  vanish
③  weave
④  assess
【单选题】 George was introduced to _____activities at a young age, when she was hired to act as a lookout for drug-dealers.
①  illegal
②  lawful
③  faithful
④  peaceful
【单选题】 When he studied at college, Jack was supported by a _____ .
①  treatment
②  assistance
③  scholarship
④  protein