Mass Transfer Prandtl number for water at 20°C is about 70 7 0.7 150 70 7 0.7 150 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of an ideal solution, the total vapor pressure varies __________ with the composition expressed as mole fraction, Linearly Exponentially None of these Inversely Linearly Exponentially None of these Inversely ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the constant rate period of the rate of drying curve for batch drying, Cracks develop on the surface of the solid Rate of drying decreases abruptly None of these Surface evaporation of unbound moisture occurs Cracks develop on the surface of the solid Rate of drying decreases abruptly None of these Surface evaporation of unbound moisture occurs ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the case of flow of air past a wet bulb thermometer (air water vapour system), the approximate value of H₂/ky.Cz is around 0.72 0.6 0.24 1 0.72 0.6 0.24 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of -0.6 0.6 1.5 -1.5 -0.6 0.6 1.5 -1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In batch distillation with constant reflux, overhead product composition __________ with time. May increase on decrease, depends on the system Increases Does not vary Decreases May increase on decrease, depends on the system Increases Does not vary Decreases ANSWER DOWNLOAD EXAMIANS APP