A water treatment plant has a flow rate of 0.6 m3/s. The settling basin at the plant has effective settling volume dimensions of length 20 m, depth 3 m, and width 6 m. What percentage of the particles having a settling velocity of 0.004 m/sec is removed?

A water treatment plant has a flow rate of 0.6 m3/s. The settling basi

1.	A water treatment plant has a flow rate of 0.6 m3/s. The settling basin at the plant has effective settling volume dimensions of length 20 m, depth 3 m, and width 6 m. What percentage of the particles having a settling velocity of 0.004 m/sec is removed?
A.	80%
B.	92%
C.	75%
D.	100%
Answer» B. 92%