Mass Transfer For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. Increases Remains same Either A or B; depends on the gas Decreases Increases Remains same Either A or B; depends on the gas Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the temperature (T) as D ∝ T2 D ∝ T0.5 D ∝ T D ∝ T1.5 D ∝ T2 D ∝ T0.5 D ∝ T D ∝ T1.5 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 Relative volatility is reasonably constant Mixture (to be separated) shows negative deviation from ideality Multicomponent distillation is involved Mixture (to be separated) shows positive deviation from ideality Relative volatility is reasonably constant Mixture (to be separated) shows negative deviation from ideality Multicomponent distillation is involved ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a distillation column operating at minimum reflux, the Number of plates required will be maximum None of these Reflux ratio will be maximum Concentration of liquid and vapour leaving a plate will be same Number of plates required will be maximum None of these Reflux ratio will be maximum Concentration of liquid and vapour leaving a plate will be same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Blowdown in a cooling tower Increases the scale forming tendencies of water All of these Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Is undesirable Increases the scale forming tendencies of water All of these Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Is undesirable ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative volatility of a binary mixture at the azeotropic composition is 1 > 1 ∞ 1 > 1 ∞ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS