Mass Transfer In case of gases, the binary diffusivity is proportional to (where, P = pressure) 1/√P 1/P √P P 1/√P 1/P √P P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture contents within the 'constant rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) √T T T1.5 T3 √T T T1.5 T3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relation, Sc = Pr = 1, is valid, when the mechanism of __________ ansfer is same. Mass and momentum Heat and momentum Heat and mass Heat, momentum and mass Mass and momentum Heat and momentum Heat and mass Heat, momentum and mass ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rate of solid-liquid extraction is limited by the Diffusion of the solute from the solution in contact with the particle to the main bulk of the solution Diffusion of the solute through the solvent in the pores to the outside of the particle Phase change of the solute as it dissolves in the solvent All of these Diffusion of the solute from the solution in contact with the particle to the main bulk of the solution Diffusion of the solute through the solvent in the pores to the outside of the particle Phase change of the solute as it dissolves in the solvent All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following solutions will follow Raoult's law most closely? A solution of polar organic compounds (not of homologs of a series) 35% solution of camphor in water 35% solution of NH₃ in water A solution of benzene, toluene and oxylene A solution of polar organic compounds (not of homologs of a series) 35% solution of camphor in water 35% solution of NH₃ in water A solution of benzene, toluene and oxylene 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