Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) D D0.5 1/D D2 D D0.5 1/D D2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Most important factor to be considered in the selection of packings for absorbers is the __________ of packing. Size Cost Porosity Durability Size Cost Porosity Durability 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 If f is defined as above, then which of the following applies to a feed at dew point? F < 1 F = 1 0 < f < 1 F > 1 F < 1 F = 1 0 < f < 1 F > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The amount of steam required per unit quantity of distillate in case of steam distillation will be reduced by Neither A nor B Raising the temperature Lowering the total pressure Both A & B Neither A nor B Raising the temperature Lowering the total pressure Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in Large number of trays Decreased solute solubility Large minimum liquid to gas (L/G) ratio All of these Large number of trays Decreased solute solubility Large minimum liquid to gas (L/G) ratio All of these ANSWER DOWNLOAD EXAMIANS APP
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