Mass Transfer The value of NA/(NA + NB), for steady state equimolal counter diffusion of two gases 'A' and 'B' is 0.5 2 1 ∞ 0.5 2 1 ∞ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable property in a tower packing? Large surface per unit volume Large free cross-section Large weight of liquid retained Low weight per unit volume Large surface per unit volume Large free cross-section Large weight of liquid retained Low weight per unit volume ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In continuous distillation, the internal reflux ratio (Ri) and the external reflux ratio (Re) are related as Ri = Re/(1 - Re) Ri = (1 - Re)/Re Ri = Re/(1 + Re) Ri = Re Ri = Re/(1 - Re) Ri = (1 - Re)/Re Ri = Re/(1 + Re) Ri = Re ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following quantities need not be fixed before starting the design of a co-current absorber? Heat gain or loss None of the listed here Flow rate of entering liquid Flow rate of gas Heat gain or loss None of the listed here Flow rate of entering liquid Flow rate of gas ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Perforated plate towers are unique for solvent extraction because, they provide Better contact of the phase None of these Higher contact area Repeated coalescence & redispersion of the drop phase Better contact of the phase None of these Higher contact area Repeated coalescence & redispersion of the drop phase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the temperature (T) as D ∝ T D ∝ T0.5 D ∝ T2 D ∝ T1.5 D ∝ T D ∝ T0.5 D ∝ T2 D ∝ T1.5 ANSWER DOWNLOAD EXAMIANS APP
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