Mass Transfer The dimension of diffusivity is same as that of the Density Molal concentration Velocity head Kinematic viscosity Density Molal concentration Velocity head Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption compared to physical absorption has Lower adsorption rate Lower capacity of the solvent for the solute gas Increased utilisation of stagnant zones of the liquid phase None of these Lower adsorption rate Lower capacity of the solvent for the solute gas Increased utilisation of stagnant zones of the liquid phase None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Operating velocity in a packed tower is usually __________ the flooding velocity. Equal to Half More than Twice Equal to Half More than Twice ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Percentage saturation is __________ the relative saturation. Always greater than None of these Not related to Always smaller than Always greater than None of these Not related to Always smaller than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The temperature of water cooled in cooling tower is always __________ temperature of entering air. Less than the wet bulb Equal to the dry bulb More than the wet bulb Equal to the wet bulb Less than the wet bulb Equal to the dry bulb More than the wet bulb Equal to the wet bulb 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 (4De/t) (De.t)1/2 (4De/πt)1/2 (De/t)1/2 (4De/t) (De.t)1/2 (4De/πt)1/2 ANSWER DOWNLOAD EXAMIANS APP