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Q#1 GATE CH 2021 MCQ +1 mark -0.33 marks

A batch settling experiment is performed in a long column using a dilute dispersion containing equal number of particles of type A and type B in water (density 1000 kg m–3) at room temperature.

Type A are spherical particles of diameter 30 μm and density 1100 kg m–3. Type B are spherical particles of diameter 10 μm and density 1900 kg m–3. Assuming that Stokes’ law is valid throughout the duration of the experiment, the settled bed would

consist of a homogeneous mixture of type A and type B particles

consist of type B particles only

be completely segregated with type B particles on top of type A particles

be completely segregated with type A particles on top of type B particles

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Browse Practice Questions by Chapters / Topics in Browse Practice Questions by Chapters / Topics in GATE Chemical Engineering
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Chemical Reaction Engineering 26 0 0
Process Calculation 9 0 0
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Thermodynamics 24 0 0
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