题目内容
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[主观题]
图6—10为一直径为1m、水深为2m的圆柱形容器,若在容器底部中心位置开一个直径为0.010m的孔口让水流
入一个底面直径为1m、高为2m的圆锥形容器中。当圆锥形容器中水深为1m时,水面上升的速度为多少?
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A.-0.45m,0.4m,0.92m
B.-0.12m,0.5m,0.92m
C.-0.12m,0.4m,1.92m
D.-1.12m,0.4m,0.92m
A.-0.45m,0.4m,0.92m
B.-0.12m,0.5m,0.92m
C.-0.12m,0.4m,1.92m
D.-1.12m,0.4m,0.92m
A.1.7m
B.1.7m
C.1.0m
D.1.7m
如图所示为一直立式水轮机的锥形尾水管,已知通过尾水管的流量Q=5.5m3/s,直径d=1m,D=2m,尾水管进口断面在下游水位以上H=3m处,管长L=4m,管中的水头损失,v2为尾水管出口断面处的流速,试求水流作用在尾水管上的轴向力。