Mass Transfer The rate of mass transfer is not dependent upon the Degree of dispersion of one fluid in the other None of these Interfacial surface exposed between the phases Both A & B Degree of dispersion of one fluid in the other None of these Interfacial surface exposed between the phases Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ 1/P1.5 D ∝ P0.5 D ∝ 1/P0.5 D ∝ 1/P D ∝ 1/P1.5 D ∝ P0.5 D ∝ 1/P0.5 D ∝ 1/P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A mixture of 10% C₆H₆ vapour in air at 25°C and 750 mm Hg has a dew point of 20°C. Its dew point at 30°C and 700 mm Hg will be around __________ °C. 18.7 27.3 20 21.7 18.7 27.3 20 21.7 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate period, the rate of drying decreases with the Decrease in air temperature Both A & B Increase in air humidity Neither A nor B Decrease in air temperature Both A & B Increase in air humidity Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At minimum reflux ratio for a given separation Number of plates is infinity Number of plates is zero Minimum number of the theoretical plates is required Separation is most efficient Number of plates is infinity Number of plates is zero Minimum number of the theoretical plates is required Separation is most efficient ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flash distillation is suitable for separating the constituents of a binary system, which Form constant boiling azeotrope Have very wide boiling points Have very close boiling points Form minimum boiling azeotrope Form constant boiling azeotrope Have very wide boiling points Have very close boiling points Form minimum boiling azeotrope ANSWER DOWNLOAD EXAMIANS APP
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