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Engineering
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9. | For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG: mass transfer co-efficient, moles/m2, a: interfacial area per unit volume of tower) ? | |
A. | G/(FG . a) | |
B. | FG/(G . a) | |
C. | (G . a)/FG | |
D. | L/(FG . G) | |