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Fluidization occurs when: Drag force by the upward moving gas ________

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in Fluidization Engineering by (102k points)
Fluidization occurs when: Drag force by the upward moving gas ________

(a) Weight of the particle

(b) Weight of the fluid

(c) Volume of the bed

(d) Pressure drop across bed

The question was posed to me in an interview for internship.

My question is taken from Minimum Fluidizing Velocity in portion Fluidization and Mapping of Regimes of Fluidization Engineering

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Best answer
Right answer is (a) Weight of the particle

Easiest explanation: Drag force by the upward moving gas = Weight of the particle.

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