Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) 1/D D D0.5 D2 1/D D D0.5 D2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used for separation of high boiling Both of the options given here none of the listed here Substances from non-volatile impurities Volatile impurity from still higher boiling substances Both of the options given here none of the listed here Substances from non-volatile impurities Volatile impurity from still higher boiling substances ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Danckwerts developed the __________ theory. Film Surface renewal Penetration None of these Film Surface renewal Penetration None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is Proportional to √D D/a D/2a Dependent on the Reynolds number Proportional to √D D/a D/2a Dependent on the Reynolds number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Batch tray dryers suffers from the disadvantage of Non-uniform & low production rate High maintenance cost High labour cost & low heat economy All of the listed here Non-uniform & low production rate High maintenance cost High labour cost & low heat economy All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rate of mass transfer is not dependent upon the Both A & B None of these Degree of dispersion of one fluid in the other Interfacial surface exposed between the phases Both A & B None of these Degree of dispersion of one fluid in the other Interfacial surface exposed between the phases ANSWER DOWNLOAD EXAMIANS APP