Daily Water Treatment Question (11.28)
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This post was last edited by 68589544 on 2016-11-28 09:19. 1. The weight of solid matter trapped by the grid each day accounts for ( ) of the suspended solids in the wastewater. A. Around 10% B. Around 20% C. Around 30% D. Around 40% 2. The flow rate of wastewater passing through the grid is generally required to be controlled at ( ). A. 0.1–0.5 m/s B. 0.6–1.0 m/s C. 1.1–1.5 m/s D. 1.6–2.0 m/s A;B
1. The weight of solids trapped by the grid per day accounts for ( ) of the suspended solids in the wastewater. A. About 10% 2. The flow rate of wastewater passing through the grid is generally required to be controlled at ( ). B. 0.6～1.0 m/s
A----------B