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1. |
Which of the following is the best condition for minimum fluidization? |
A. | Drag force imparted by the down flowing gas equals the weight of the particles, and void space in the bed increases slightly |
B. | Drag force imparted by the upward flowing gas equals the weight of the particles, and void space in the bed increases slightly |
C. | Drag force imparted by the upward flowing gas equals the weight of the particles, and void space in the bed decreases slightly |
D. | Drag force imparted by the down flowing gas equals the weight of the particles, and void space in the bed decreases slightly |
Answer» C. Drag force imparted by the upward flowing gas equals the weight of the particles, and void space in the bed decreases slightly | |