Mass Transfer The relation, Sc = Pr = 1, is valid, when the mechanism of __________ ansfer is same. Heat and momentum Heat and mass Mass and momentum Heat, momentum and mass Heat and momentum Heat and mass Mass and momentum Heat, momentum and mass ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following operations does not involve leaching? Dissolving pharmaceutical products from bark or roots Dissolving sugar from the cells of the beet Dissolving gold from ores Removing nicotine from its water solution by kerosene Dissolving pharmaceutical products from bark or roots Dissolving sugar from the cells of the beet Dissolving gold from ores Removing nicotine from its water solution by kerosene ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Ordinary diffusion process is also called __________ diffusion. Concentration Forced Thermal Pressure Concentration Forced Thermal Pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are 10 8 9 1 10 8 9 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in the concentration of the adsorbate, the integral heat of adsorption Decreases Increases Remains unchanged May increase or decrease ; depends on the type of adsorbate Decreases Increases Remains unchanged May increase or decrease ; depends on the type of adsorbate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the wrong statement pertaining to leaching. Door classifier can be used for leaching of coarse solids Vegetable seeds can be leached in either of Bollman extractor, Rotocel or Kennedy extractor Fine solids can not be leached in a Pachuka tank Very high temperature is not needed for the leaching of sugar beet Door classifier can be used for leaching of coarse solids Vegetable seeds can be leached in either of Bollman extractor, Rotocel or Kennedy extractor Fine solids can not be leached in a Pachuka tank Very high temperature is not needed for the leaching of sugar beet ANSWER DOWNLOAD EXAMIANS APP