Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 1 to 5 5 to 10 1 > 10 1 to 5 5 to 10 1 > 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusivity of a liquid May increase or decrease with temperature Is independent of temperature Increases with temperature Decreases with temperature May increase or decrease with temperature Is independent of temperature Increases with temperature Decreases with temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Positive deviation from Raoult's law means a mixture whose total pressure is Less than the sum of the vapour pressure of the components Greater than that computed for ideality Less than that computed for ideality None of these Less than the sum of the vapour pressure of the components Greater than that computed for ideality Less than that computed for ideality None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of L/mG ratio for economical absorption operation ranges from 1.25 to 2.0 0.8 to 1.2 0.5 to 0.8 2.5 to 3.5 1.25 to 2.0 0.8 to 1.2 0.5 to 0.8 2.5 to 3.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption. Dependent on the system; can be either lower or higher than Always higher than Always lower than Same as Dependent on the system; can be either lower or higher than Always higher than Always lower than Same as ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Packed column distillation is limited to the column __________ metres. Height < 6 Diameter < 0.6 Neither A nor B Both A & B Height < 6 Diameter < 0.6 Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
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