Mass Transfer Diffusion co-efficient generally depends upon the temperature, pressure & the nature of the components of the system. Its dimension is not the same as that of the Mass transfer co-efficient Volumetric diffusivity Thermal diffusivity Kinematic viscosity Mass transfer co-efficient Volumetric diffusivity Thermal diffusivity Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%). 94 min 15 min 71 min 51 min 94 min 15 min 71 min 51 min ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer H₂S present in naphtha reformed gas is removed by absorbing with HCl K₂CO₃ Vacuum gas oil Ethanolamine HCl K₂CO₃ Vacuum gas oil Ethanolamine ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer ______ is the separation technique used for desalination of sea water. Absorption Reverse osmosis Thermal diffusion Adsorption Absorption Reverse osmosis Thermal diffusion Adsorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for Constant molal overflow Constant relative volatility All of these Total reflux Constant molal overflow Constant relative volatility All of these Total reflux ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The main reason for dividing a tall packed tower into series of small towers is to Minimise the overall pressure drop Avoid channeling Reduce liquid hold up Avoid flooding Minimise the overall pressure drop Avoid channeling Reduce liquid hold up Avoid flooding ANSWER DOWNLOAD EXAMIANS APP