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[单选题]
某水厂规模为720m3/h,水厂自用水为5%,其中滤池冲洗水为2%,沉淀池排泥水为2%,厂内其他生产用水为1%,水厂内设有2个系列的处理构筑物,每一系列采用了3座尺寸完全相同的机械絮凝池串联,搅拌功率分别为120W、80W、40W,总絮凝时间为15min,则絮凝池平均速度梯度为()(μ=1.14×10-3Pa.s)。
A.31.5s-1
B.47.7s-1
C.47.2s-1
D.31.4s-1
查看答案
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A.31.5s-1
B.47.7s-1
C.47.2s-1
D.31.4s-1
A.0.48kW
B.0.30kW
C.0.13kW
D.0.03kW
A.47s-1
B.87s-1
C.60s-1
D.50s-1
A.36.5m3
B.65.2m3
C.120m3
D.333m3
A.12.1m3
B.36.3m3
C.60.5m3
D.121m3
A.36m3/(m2·d)
B.72m3/m2·d
C.3.6m3/m2·d
D.7.2m3/m2·d
A.4875m3/h
B.3683m3/h
C.5875m3/h
D.5975m3/h