Mass Transfer In case of liquids, the binary diffusivity is proportional to (where, T = temperature) √T T T² 1/T √T T T² 1/T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time) (De/t)1/2 (De.t)1/2 (4De/πt)1/2 (4De/t) (De/t)1/2 (De.t)1/2 (4De/πt)1/2 (4De/t) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Binary distillation involves the mass transfer by __________ at the gas-liquid interface. 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 Unidirectional diffusion from liquid to gas phase Unidirectional diffusion from gas to liquid phase Either A or B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is not a continuous drier? Spray drier Tray drier Tunnel drier Drum drier Spray drier Tray drier Tunnel drier Drum drier ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption accompanied by heat evolution results in Increased capacity of the absorber Decrease in equilibrium solubility Increase in equilibrium solubility None of these Increased capacity of the absorber Decrease in equilibrium solubility Increase in equilibrium solubility None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of a desorber (stripper), the Temperature remains unaffected Operating line always lies above the equilibrium curve Operating line always lies below the equilibrium curve Temperature always increases Temperature remains unaffected Operating line always lies above the equilibrium curve Operating line always lies below the equilibrium curve Temperature always increases ANSWER DOWNLOAD EXAMIANS APP
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