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【单选题】In its early history, Chicago had floods frequently, especially in the spring, the streets so muddy that people, horses, and carts got stuck. An old joke that was popular at the time went somet...
A.
horses were fairly useful in Chicago
B.
Chicago"s streets were extremely muddy
C.
Chicago was very erous in the spring
D.
the Chicago people were particularly humorous
相关题目：
【单选题】敷设电缆管时应有( )的排水坡度。
A.
0.2%
B.
0.5%
C.
0.3%
D.
0.1%
【多选题】桥面排水措施有( )。
A.
设纵向排水坡
B.
设横向排水坡
C.
设流水槽
D.
安装泄水管
E.
桥面铺装层下设防水层
【多选题】下列排水措施中( )是排除地下水的措施。
A.
天沟
B.
明沟
C.
截水沟
D.
支撑渗沟、渗井
【单选题】施工排水与降水应保证（）。
A.
路基土壤天然结构不受扰动
B.
文明施工要求
C.
进度要求
D.
工地用水需要
【多选题】排水堆载预压法适合于( )
A.
淤泥
B.
淤泥质土
C.
饱和黏性土
D.
湿陷黄土
E.
冲填土
【单选题】同层排水的缺点是
A.
减少卫生间楼面留洞
B.
安装在楼板下的横支管维修方便
C.
排水噪声小
D.
卫生间楼面需下沉
【单选题】In its early history, Chicago had floods frequently, especially in the spring, the streets so muddy that people, horses, and carts got stuck. An old joke that was popular at the time went somet...
A.
horses were fairly useful in Chicago
B.
Chicago"s streets were extremely muddy
C.
Chicago was very erous in the spring
D.
the Chicago people were particularly humorous
【单选题】运行中水泵和电机的轴承温度不应超（）
A.
60℃
B.
65℃
C.
70℃
D.
80℃
【单选题】重力流屋面雨水排水管系的埋地管可按满流排水设计，管内流速，不宜小于______m/s。
A.
0.65
B.
0.75
C.
0.85
D.
0.95
【多选题】涵洞是( )组成的排水构筑物。
A.
引道
B.
洞口
C.
洞身
D.
基础
E.
匝道
【单选题】不能降低浸润线的排水是:
A.
贴坡排水
B.
褥垫排水
C.
棱体排水
D.
综合排水
【单选题】排水速率与土体的( )有关
A.
渗透性
B.
压实性
C.
塑性
D.
物理性质
【多选题】坝体排水必须满足( )的要求。
A.
能自由地向坝外排出全部渗透水
B.
应按反滤要求设计
C.
便于观测
D.
便于检修
【判断题】排水良好的土壤比排水不良的土壤有机质含量更高。
A.
正确
B.
错误
【单选题】水泵流量与（）成正比
A.
转速
B.
扬程
C.
效率