Mass Transfer Liquid diffusivity is of the order of __________ cm² /second. 0.01 0.1 > 1 10-5 to 10-6 0.01 0.1 > 1 10-5 to 10-6 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The adiabatic saturation curve for a vapour-gas mixture is Slightly concave upward None of these Slightly concave downward Straight line Slightly concave upward None of these Slightly concave downward Straight line ANSWER DOWNLOAD EXAMIANS APP
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 None of these Pressure drop in the equipment will be very high Viscosity variation of the fluids may cause channeling/flooding Packing may be crushed due to thermal expansion/contraction of the components of the equipments None of these Pressure drop in the equipment will be very high ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripping and rectifying sections coincide with the diagonal at __________ reflux. Maximum permissible Total Operating Minimum Maximum permissible Total Operating Minimum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a distillation column, with increase in the reflux ratio, the heat removed in the cooler Remains unaffected Increases Decreases And the heat required in reboiler decreases Remains unaffected Increases Decreases And the heat required in reboiler decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption with exothermic reaction, for fluids having 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 Both A & B Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same 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 Both A & B Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same ANSWER DOWNLOAD EXAMIANS APP
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