Mass Transfer The efficiency of a plate column will be maximum, when the flow is ideal __________ the plate. Above Across Both A & B Neither A nor B Above Across Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following psychrometric processes is followed by water vapour laden unsaturated air, when it is passed through solid or liquid adsorbent? Cooling and dehumidification Heating and dehumidification at almost constant wet bulb temperature None of these Dehumidification with dry bulb temperature remaining constant Cooling and dehumidification Heating and dehumidification at almost constant wet bulb temperature None of these Dehumidification with dry bulb temperature remaining constant ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A pure drug is administered as a sphere and as a cube. The amount of drug is the same in the two tablets. Assuming that the shape and size do not influence the mass transfer, the ratio of rate of dissolution in water at t = 0 for the cubic to spherical tablet is 1.04 1.94 0.54 1.24 1.04 1.94 0.54 1.24 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the temperature (T) as D ∝ T0.5 D ∝ T2 D ∝ T1.5 D ∝ T D ∝ T0.5 D ∝ T2 D ∝ T1.5 D ∝ T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Solvent extraction is the terminology applied to the liquid-liquid extraction, which is preferred for the separation of the components of liquids, when One of the liquid components has very high affinity towards the solvent One of the liquid components is heat sensitive Viscosity of liquid components is very high Extracting solvent is cheaply & abundantly available One of the liquid components has very high affinity towards the solvent One of the liquid components is heat sensitive Viscosity of liquid components is very high Extracting solvent is cheaply & abundantly available ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If a₁ and a₂ are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement. a₁ = a₂ a₁ = 0.5 a₂ None of these a₁ = 2a₂ a₁ = a₂ a₁ = 0.5 a₂ None of these a₁ = 2a₂ ANSWER DOWNLOAD EXAMIANS APP
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