Mass Transfer For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. Decreases Remains same Either A or B; depends on the gas Increases Decreases Remains same Either A or B; depends on the gas Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the air water system under ambient conditions, the adiabatic saturation temperature and the wet bulb temperature are nearly equal, because Solubility of the components of air in water is very small Water has a high latent heat of evaporation They are always equal under all circumstances Lewis number is close to unity Solubility of the components of air in water is very small Water has a high latent heat of evaporation They are always equal under all circumstances Lewis number is close to unity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The commonly used solvent in supercritical extraction is Methyl ethyl ketone Water Carbon tetrachloride Carbon dioxide Methyl ethyl ketone Water Carbon tetrachloride Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The velocity, concentration and temperature boundary, for the boundary layer development on a flat plate during connective mass transfer will be same, if NPr = NLe NSc = NLe NSc = NPr = NLe NSc = 1 NPr = NLe NSc = NLe NSc = NPr = NLe NSc = 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ D2 K ∝ D1.5 K ∝ √D K ∝ D K ∝ D2 K ∝ D1.5 K ∝ √D K ∝ D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In McCabe-Thiele method, at infinite reflux ratio Both A & B The overhead product is minimum Both the operating lines coincide with diagonal Neither A nor B Both A & B The overhead product is minimum Both the operating lines coincide with diagonal Neither A nor B ANSWER DOWNLOAD EXAMIANS APP