Mass Transfer Which of the following operations does not involve leaching? Dissolving gold from ores Dissolving pharmaceutical products from bark or roots Dissolving sugar from the cells of the beet Removing nicotine from its water solution by kerosene Dissolving gold from ores Dissolving pharmaceutical products from bark or roots Dissolving sugar from the cells of the beet Removing nicotine from its water solution by kerosene ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the wrong statement pertaining to leaching. Fine solids can not be leached in a Pachuka tank Vegetable seeds can be leached in either of Bollman extractor, Rotocel or Kennedy extractor Door classifier can be used for leaching of coarse solids Very high temperature is not needed for the leaching of sugar beet Fine solids can not be leached in a Pachuka tank Vegetable seeds can be leached in either of Bollman extractor, Rotocel or Kennedy extractor Door classifier can be used for leaching of coarse solids Very high temperature is not needed for the leaching of sugar beet ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer On addition of solute in the solvent, the __________ of the solution decreases. Both B and C Vapour pressure Boiling point Freezing point Both B and C Vapour pressure Boiling point Freezing point ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer NSc/NPr is called the Sherwood number Stantan number Psychrometric ratio Lewis number Sherwood number Stantan number Psychrometric ratio Lewis number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the constant rate period of the rate of drying curve for batch drying, Rate of drying decreases abruptly None of these Cracks develop on the surface of the solid Surface evaporation of unbound moisture occurs Rate of drying decreases abruptly None of these Cracks develop on the surface of the solid Surface evaporation of unbound moisture occurs ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption with exothermic reaction, for fluids having 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 = 1; total mass, momentum and thermal diffusivity will be the same Both A & B Pr = Sc ; there won 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 = 1; total mass, momentum and thermal diffusivity will be the same Both A & B Pr = Sc ; there won ANSWER DOWNLOAD EXAMIANS APP
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