Mass Transfer Lewis number (Le) is Pr x St Sh x Pr Sc x Pr St x Sh Pr x St Sh x Pr Sc x Pr St x Sh ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The boiling points of pure components of a binary system __________ with increase in total pressure of the system. May increase or decrease, depends on the system Increases Decreases Remains unchanged May increase or decrease, depends on the system Increases Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As per Gilliland's equation, the diffusivity is Directly proportional to 'T1.5' Inversely proportional to 'P' Dependent on the molecular volume & molecular weight of components All of these Directly proportional to 'T1.5' Inversely proportional to 'P' Dependent on the molecular volume & molecular weight of components All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Solvent used in extractive distillation Does not alter the relative volatility of the original components Is of low volatility Forms a high boiling azeotrope Forms a low boiling azeotrope Does not alter the relative volatility of the original components Is of low volatility Forms a high boiling azeotrope Forms a low boiling azeotrope ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty? Perforated tray tower Wetted wall tower Grid tray tower Bubble cap tower Perforated tray tower Wetted wall tower Grid tray tower Bubble cap tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable property in a tower packing? Low weight per unit volume Large free cross-section Large weight of liquid retained Large surface per unit volume Low weight per unit volume Large free cross-section Large weight of liquid retained Large surface per unit volume ANSWER DOWNLOAD EXAMIANS APP