Mass Transfer The reason for preferring packed towers over plate towers in distillation practice is that the packed tower operation gives High pressure drop and low hold up Low pressure drop and high hold up High pressure drop and high hold up Low pressure drop and low hold up High pressure drop and low hold up Low pressure drop and high hold up High pressure drop and high hold up Low pressure drop and low hold up ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flooding in a column results due to High pressure drop Low velocity of the liquid High temperature Low pressure drop High pressure drop Low velocity of the liquid High temperature Low pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following provides maximum contact surface for a liquid-vapour system? Packed tower Seive-plate column Wetted wall column Bubble-cap plate column Packed tower Seive-plate column Wetted wall column Bubble-cap plate column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Solvent used in extractive distillation Is of low volatility Forms a high boiling azeotrope Does not alter the relative volatility of the original components Forms a low boiling azeotrope Is of low volatility Forms a high boiling azeotrope Does not alter the relative volatility of the original components Forms a low boiling azeotrope ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Binary distillation involves the mass transfer by __________ at the gas-liquid interface. Unidirectional diffusion from liquid to gas phase Unidirectional diffusion from gas to liquid phase Either A or B A counter diffusion at an almost equal molar rate Unidirectional diffusion from liquid to gas phase Unidirectional diffusion from gas to liquid phase Either A or B A counter diffusion at an almost equal molar rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a fixed number of ideal stages in a distillation column, as the reflux ratio is increased, the difference in composition between the top and bottom product streams Remains unaffected Passes through a maximum Increases Decreases Remains unaffected Passes through a maximum Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS