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The following data are given for a channel-type grit chamber of length 7.5 m. 1. flow-through velocity = 0.3 m/s 2. the depth of waste water at peak flow in the channel = 0.9 m Pw = 3. specific gravity of inorganic particles = 2.5 4. g = 9.80 m/s², μ = 1.002 x 10-³ N-s/m² at 20°C, pw 1000 kg/m³ Assuming that the Stoke's law is valid, the largest diameter particle that would be removed with 100 per cent efficiency is (b) 0.21 mm (a) 0.04 mm (d) 6.64 mm (c) 1.92 mm

The following data are given for a channel-type grit chamber of length 7.5 m. 1. flow-through velocity = 0.3 m/s 2. the depth of waste water at peak flow in the channel = 0.9 m Pw = 3. specific gravity of inorganic particles = 2.5 4. g = 9.80 m/s², μ = 1.002 x 10-³ N-s/m² at 20°C, pw 1000 kg/m³ Assuming that the Stoke's law is valid, the largest diameter particle that would be removed with 100 per cent efficiency is (b) 0.21 mm (a) 0.04 mm (d) 6.64 mm (c) 1.92 mm

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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The following data are given for a channel-type grit chamber of length 7.5 m. 1. 2. flow-through velocity = 0.3 m/s the depth of waste water at peak flow in the channel = 0.9 m 4. Pw = 3. specific gravity of inorganic particles = 2.5 g = 9.80 m/s², μ = 1.002 x 10-³ N-s/m² at 20°C, pw 1000 kg/m³ Assuming that the Stoke's law is valid, the largest diameter particle that would be removed with 100 per cent efficiency is (b) 0.21 mm (a) 0.04 mm (d) 6.64 mm (c) 1.92 mm
Transcribed Image Text:The following data are given for a channel-type grit chamber of length 7.5 m. 1. 2. flow-through velocity = 0.3 m/s the depth of waste water at peak flow in the channel = 0.9 m 4. Pw = 3. specific gravity of inorganic particles = 2.5 g = 9.80 m/s², μ = 1.002 x 10-³ N-s/m² at 20°C, pw 1000 kg/m³ Assuming that the Stoke's law is valid, the largest diameter particle that would be removed with 100 per cent efficiency is (b) 0.21 mm (a) 0.04 mm (d) 6.64 mm (c) 1.92 mm
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