Mass Transfer In a distillation column, with increase in the reflux ratio, the heat removed in the cooler And the heat required in reboiler decreases Increases Decreases Remains unaffected And the heat required in reboiler decreases Increases Decreases Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For water-ethanol system, the minimum reflux ratio Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is computed from the intercept of the operating line Cannot be computed Is the optimum reflux ratio Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is computed from the intercept of the operating line Cannot be computed Is the optimum reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. Remains same Either A or B; depends on the gas Decreases Increases Remains same Either A or B; depends on the gas Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases. Degree of turbulence Interfacial area Physical properties Chemical properties Degree of turbulence Interfacial area Physical properties Chemical properties ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T³ T T² √T T³ T T² √T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Desirable value of absorption factor in an absorber is 1 < 1 > 1 0.5 1 < 1 > 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
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