Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Decreases pressure drop, decreases surface area Increases pressure drop, increases surface area Increases pressure drop, decreases surface area Decreases pressure drop, increases surface area Decreases pressure drop, decreases surface area Increases pressure drop, increases surface area Increases pressure drop, decreases surface area Decreases pressure drop, increases surface area ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Kundsen diffusivity is proportional to (where, T = absolute temperature) √T T² T⁴ T √T T² T⁴ T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of physical adsorption, the difference between heat of adsorption and heat of normal condensation is Called integral heat of adsorption Equal to the heat of formation of surface compound Zero Equal to the heat of wetting Called integral heat of adsorption Equal to the heat of formation of surface compound Zero Equal to the heat of wetting ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In stripping section of continuous distillation column, the None of these Liquid is enriched with high boiler Vapour is stripped of low boiler Liquid is stripped of high boiler None of these Liquid is enriched with high boiler Vapour is stripped of low boiler Liquid is stripped of high boiler ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in Decreased solute solubility All of these Large minimum liquid to gas (L/G) ratio Large number of trays Decreased solute solubility All of these Large minimum liquid to gas (L/G) ratio Large number of trays ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same process conditions, the reflux ratio of an unlagged distillation column Increases in winter None of these Increases in summer Decreases in winter Increases in winter None of these Increases in summer Decreases in winter ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS