Metallurgical Engineering > GATE 2023 > Mineral Processing
Elutriator is used to separate particles based on their sizes in flowing air as shown in the figure.
Assuming spherical particles, the diameter (D50) of the suspended particles which have 50% chance to report to overflow by turbulent air flow is expressed as _______.
A
D50 = (3fv2ρa)/(4g(ρs-ρa))
B
D50 = (18μν/(gf(ρs-ρa)))0.5
C
D50 = (9μν/(2g(ρs-ρa)))2
D
D50 = (3fvρa)/(8g(ρs-ρa))

Correct : a

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