Chemical Engineering Mcqs

Umf is the minimum fluidisation velocity for a bed of particles. An increase in the superficial gas velocity from 2 Umf to 2.5 Umf results in (all velocities are smaller than the entrainment velocity of the particles) no change in the_______________?

(A)  Drag on particles

(B)  Drag on column walls

(C)  Bed height

(D)  Bed voidage

Submitted By :Ali Uppal

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