Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) D 1/D D2 D0.5 D 1/D D2 D0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Separation of two volatile liquids by distillation makes use of their Selectivity Solubility Relative volatility Density difference Selectivity Solubility Relative volatility Density difference ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture with low relative volatility, Use steam distillation Use high pressure distillation An azeotrope may be formed during distillation Use molecular distillation Use steam distillation Use high pressure distillation An azeotrope may be formed during distillation Use molecular distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following employs an accessory known as 'drift eliminator' ? Multiple effect evaporator Rotary dryer Rotating disc contactor Mechanical draft cooling tower Multiple effect evaporator Rotary dryer Rotating disc contactor Mechanical draft cooling tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In gas-liquid contact operation, the number of ideal stages, N = (xa - xb)/(xb - x*b) . This is true when the stripping factor 'S' is S > 1 S = ∞ S < 1 S = 1 S > 1 S = ∞ S < 1 S = 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a moderately sized packed absorption tower, channeling (which is most severe with stacked packings) can be minimised by taking the ratio of tower diameter to packing diameter < 6:1 > 8:1 > 4 :1 < 8 : 1 < 6:1 > 8:1 > 4 :1 < 8 : 1 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS