Mass Transfer Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the Viscosity variation of the fluids may cause channeling/flooding Packing may be crushed due to thermal expansion/contraction of the components of the equipments Pressure drop in the equipment will be very high None of these Viscosity variation of the fluids may cause channeling/flooding Packing may be crushed due to thermal expansion/contraction of the components of the equipments Pressure drop in the equipment will be very high None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular distillation is Very low pressure distillation Both B and C For heat-sensitive materials High temperature distillation Very low pressure distillation Both B and C For heat-sensitive materials High temperature distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas Decreases linearly Increases Remains same Decreases Decreases linearly Increases Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The individual mass transfer co-efficients (moles/m² . s) for absorption of a solute from a gas mixture into a liquid solvent are, KL = 4.5 and KG = 1.5. The slope of the equilibrium line is 3. Which of the following resistance (s) is (are) controlling ? Gas side Both liquid and gas side Interfacial Liquid side Gas side Both liquid and gas side Interfacial Liquid side ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient of liquid is Not affected by the temperature Affected more by temperature than that for gases Affected much less by temperature than that for gases None of these Not affected by the temperature Affected more by temperature than that for gases Affected much less by temperature than that for gases None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Bollman extractor Is a centrifugal extractor Employs only counter-current extraction Is used for extraction of oil from oilseed Is a static bed leaching equipment Is a centrifugal extractor Employs only counter-current extraction Is used for extraction of oil from oilseed Is a static bed leaching equipment ANSWER DOWNLOAD EXAMIANS APP
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