Mass Transfer With increase in temperature, the rate of leaching increases, because the Diffusivity of solute increases None of these Viscosity of solvent decreases Thermal conductivity of solute increases Diffusivity of solute increases None of these Viscosity of solvent decreases Thermal conductivity of solute increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture contents within the 'constant rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T T1.5 T3 √T T T1.5 T3 √T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in the mass velocity of the gas, the rate of drying during the constant rate period __________ , if the conduction and radiation through the solid are negligible. Decreases Increases linearly Increases Remains same Decreases Increases linearly Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Is desirable, as it provides improved vapour-liquid contact Reduces pressure drop Decreases tray efficiency Increases tray efficiency Is desirable, as it provides improved vapour-liquid contact Reduces pressure drop Decreases tray efficiency Increases tray efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske's equation for determining the minimum number of theoretical stages in distillation column holds good, when the Mixture (to be separated) shows positive deviation from ideality Multicomponent distillation is involved Mixture (to be separated) shows negative deviation from ideality Relative volatility is reasonably constant Mixture (to be separated) shows positive deviation from ideality Multicomponent distillation is involved Mixture (to be separated) shows negative deviation from ideality Relative volatility is reasonably constant ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Antibiotics are best handled in a Podbielniak extractor Rotating disc contactor Pulsed column extractor Sieve tray contractor Podbielniak extractor Rotating disc contactor Pulsed column extractor Sieve tray contractor ANSWER DOWNLOAD EXAMIANS APP