Mass Transfer For turbulent mass transfer in pipes, the Sherwood number depends on the Reynolds number as Re Re0.33 Re0.53 Re0.83 Re Re0.33 Re0.53 Re0.83 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A 25 cm x 25 cm x 1 cm flat sheet weighing 1.2 kg initially was dried from both sides under constant drying rate conditions. It took 1500 seconds for the weight of the sheet to reduce to 1.05 kg. Another 1m x 1m x 1cm flat sheet of the same material is to be dried from one side only.Under the same constant drying rate conditions, the time required for drying (in seconds) from its initial weight of 19.2 kg to 17.6 kg is 1000 2500 1500 2000 1000 2500 1500 2000 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer What is the reflux ratio at total reflux? Unity Zero Data insufficient Infinity Unity Zero Data insufficient Infinity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flash distillation is Same as simple distillation Used for multicomponent systems like crude refining Same as differential distillation Most useful for handling binary systems Same as simple distillation Used for multicomponent systems like crude refining Same as differential distillation Most useful for handling binary systems ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in Viscosity with concentration Degree of ideality of the solution Neither A nor B Both A & B Viscosity with concentration Degree of ideality of the solution Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a moderately sized packed absorption tower, channeling (which is most severe with stacked packings) can be minimised by taking the ratio of tower diameter to packing diameter < 8 : 1 > 8:1 > 4 :1 < 6:1 < 8 : 1 > 8:1 > 4 :1 < 6:1 ANSWER DOWNLOAD EXAMIANS APP