Mass Transfer The dimension of diffusivity is same as that of the Density Velocity head Molal concentration Kinematic viscosity Density Velocity head Molal concentration Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The surface renewal frequency in Danckwerts model of mass transfer is given by (KL: mass transfer co-efficient) KL²/DA KL/DA² KL².DA √(KL².DA) KL²/DA KL/DA² KL².DA √(KL².DA) 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 All of these Constant relative volatility Total reflux Constant molal overflow All of these Constant relative volatility Total reflux ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In distillation columns, the number of bubble caps per tray primarily depends upon the Allowable liquid velocity Allowable gas and liquid velocities Allowable gas velocity Feed composition Allowable liquid velocity Allowable gas and liquid velocities Allowable gas velocity Feed composition ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flooding in a column results due to High pressure drop High temperature Low velocity of the liquid Low pressure drop High pressure drop High temperature Low velocity of the liquid Low pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flash distillation is Most useful for handling binary systems Same as simple distillation Same as differential distillation Used for multicomponent systems like crude refining Most useful for handling binary systems Same as simple distillation Same as differential distillation Used for multicomponent systems like crude refining ANSWER DOWNLOAD EXAMIANS APP