Mass Transfer Extraction of coffee from its seed is done by Liquid-liquid extraction Steam distillation Leaching Extractive distillation Liquid-liquid extraction Steam distillation Leaching Extractive distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In steam distillation, the Product must be immiscible with water Temperature is higher than the boiling point of either component Temperature is more than 100° C Temperature is 100°C Product must be immiscible with water Temperature is higher than the boiling point of either component Temperature is more than 100° C Temperature is 100°C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method of binary distillation does not assume that the Sensible heat changes are negligible compared with latent heat changes None of these Molar latent heats of all components are equal Heat of mixing is negligible Sensible heat changes are negligible compared with latent heat changes None of these Molar latent heats of all components are equal Heat of mixing is negligible ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extraction, as the temperature increases, the area of hetrogeneity (area covered by binodal curve) None of these Decreases Remains unchanged Increases None of these Decreases Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Lewis number, which is important in problems involving simultaneous heat and mass transfer, is the ratio of Mass diffusivity to momentum diffusivity None of these Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity Mass diffusivity to momentum diffusivity None of these Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Increases pressure drop, increases surface area Increases pressure drop, decreases surface area Decreases pressure drop, decreases surface area Decreases pressure drop, increases surface area Increases pressure drop, increases surface area Increases pressure drop, decreases surface area Decreases pressure drop, decreases surface area Decreases pressure drop, increases surface area ANSWER DOWNLOAD EXAMIANS APP
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