()是指在规定的试验条件下,受检砂浆和基准砂浆的流动度相同时,受检砂浆的减水率。
A.水泥净浆流动度
B.水泥砂浆工作性
C.减水率
D.坍落度增加值
参考答案:B
碎石类土中,充填砂土的临时性挖方边坡值(高:宽)为( )。
A.1:0.75~1:1.00B.1:1.00~1:1.25C.1:1.00~1:1.50D.1:0.50~1:1.00
Generally,you can best keep a vessel under steering control when the vessel has().
A.Headway
B.Sternway
C.No way on,with engines stopped
D.No way on,with engines full ahead