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1. |
What is the approach velocity for grit bearing wastewaters? |
A. | t0.2-0.3 m/s |
B. | t0.6-0.75 m/s |
C. | t0.5-0.75 m/s |
D. | t0.45-0.60 m/s |
Answer» C. t0.5-0.75 m/s | |