Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ D2 K ∝ D1.5 K ∝ D K ∝ √D K ∝ D2 K ∝ D1.5 K ∝ D K ∝ √D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In paper industry, paper is dried in a __________ dryer. Tunnel Heated cylinder Festoon Conveyor Tunnel Heated cylinder Festoon Conveyor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Packed column distillation is limited to the column __________ metres. Height < 6 Neither A nor B Diameter < 0.6 Both A & B Height < 6 Neither A nor B Diameter < 0.6 Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stacked packing compared to dumped packing Gives lower pressure drop Provides poorer contact between the fluids Both A & B Gives higher pressure drop Gives lower pressure drop Provides poorer contact between the fluids Both A & B Gives higher pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Henry's law states that the Partial pressure is equal to the product of the mole fraction and total pressure Partial pressure of a component over a solution is proportional to the mole fraction in the vapour Partial pressure of a component over a solution is proportional to its mole fraction in the liquid Vapour pressure is equal to the product of the mole fraction and total pressure Partial pressure is equal to the product of the mole fraction and total pressure Partial pressure of a component over a solution is proportional to the mole fraction in the vapour Partial pressure of a component over a solution is proportional to its mole fraction in the liquid Vapour pressure is equal to the product of the mole fraction and total pressure 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 A counter diffusion at an almost equal molar rate Either A or B Unidirectional diffusion from liquid to gas phase Unidirectional diffusion from gas to liquid phase A counter diffusion at an almost equal molar rate Either A or B ANSWER DOWNLOAD EXAMIANS APP
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