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 1/D D2 D0.5 D 1/D D2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Priming in a distillation column Reduces the overall pressure drop Is characterised by the presence of foam throughout the space between trays Is desirable from point efficiency consideration Results from very low gas velocity Reduces the overall pressure drop Is characterised by the presence of foam throughout the space between trays Is desirable from point efficiency consideration Results from very low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Equilibrium-moisture curves of different solids Depend on the humidity of the gas None of these Are different Are same Depend on the humidity of the gas None of these Are different Are same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption with exothermic reaction, for fluids having Pr = Sc ; there won Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same Both A & B Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence Pr = Sc ; there won Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same Both A & B Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following solutions will follow Raoult's law most closely? 35% solution of camphor in water A solution of benzene, toluene and oxylene 35% solution of NH₃ in water A solution of polar organic compounds (not of homologs of a series) 35% solution of camphor in water A solution of benzene, toluene and oxylene 35% solution of NH₃ in water A solution of polar organic compounds (not of homologs of a series) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following binary systems is an example of a maximum boiling azeotrope? Acetone-carbon disulphide Water-ethyl alcohol None of the listed here Water-hydrochloric acid Acetone-carbon disulphide Water-ethyl alcohol None of the listed here Water-hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
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