Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) D0.5 D D2 1/D D0.5 D D2 1/D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of steam distillation, the steam leaving the liquid is not completely saturated with distillate vapour, because Temperature is less Saturated steam is used for steam distillation Mixing of steam with the material being vaporised is not so intimate as to result in equilibrium condition Total pressure is less Temperature is less Saturated steam is used for steam distillation Mixing of steam with the material being vaporised is not so intimate as to result in equilibrium condition Total pressure is less ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ columns are used for liquid dispersion in a continuous gas phase. Bubble cap Sieve plate Packed Pulse Bubble cap Sieve plate Packed Pulse ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the system with minimum boiling azeotrope at 1 atm. Benzene-toluene Hydrochloric acid-water All of these Ethyl alcohol-water Benzene-toluene Hydrochloric acid-water All of these Ethyl alcohol-water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same system, if the same liquid used in an absorber is decreased, the tower height will Remain unaffected Decrease Decrease or increase ; depends on the type of liquid Increase Remain unaffected Decrease Decrease or increase ; depends on the type of liquid Increase 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