Mass Transfer In distillation columns, the number of bubble caps per tray primarily depends upon the Allowable gas and liquid velocities Feed composition Allowable liquid velocity Allowable gas velocity Allowable gas and liquid velocities Feed composition Allowable liquid velocity Allowable gas velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusivity of a liquid Increases with temperature May increase or decrease with temperature Is independent of temperature Decreases with temperature Increases with temperature May increase or decrease with temperature Is independent of temperature Decreases with temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) 1/D D D0.5 D2 1/D D D0.5 D2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the desorption of highly soluble gas from the liquid, the main resistance will be in the __________ phase. Neither A nor B Liquid Gas Both A & B Neither A nor B Liquid Gas Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases. Degree of turbulence Interfacial area Chemical properties Physical properties Degree of turbulence Interfacial area Chemical properties Physical properties ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the correct relationship. (where, Ri = internal reflux ratio Ro = external reflux ratio. ) (1 + Ri) = Ro/Ri (1 - Ri) = Ro/Ri (1 + Ro) = Ro/Ri (1 - Ro) = Ro/Ri (1 + Ri) = Ro/Ri (1 - Ri) = Ro/Ri (1 + Ro) = Ro/Ri (1 - Ro) = Ro/Ri ANSWER DOWNLOAD EXAMIANS APP
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