Mass Transfer A mixture of 10% C₆H₆ vapour in air at 25°C and 750 mm Hg has a dew point of 20°C. Its dew point at 30°C and 700 mm Hg will be around __________ °C. 20 27.3 18.7 21.7 20 27.3 18.7 21.7 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 -1.5 1.5 0.6 -0.6 -1.5 1.5 0.6 -0.6 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the leaching rate increases because of the None of the listed here Increased diffusivity Decreased viscosity of liquid Both Decreased viscosity of liquid & Increased diffusivity None of the listed here Increased diffusivity Decreased viscosity of liquid Both Decreased viscosity of liquid & Increased diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable property in a tower packing? Large surface per unit volume Large weight of liquid retained Low weight per unit volume Large free cross-section Large surface per unit volume Large weight of liquid retained Low weight per unit volume Large free cross-section ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For which of the following unit operations, Lewis number is of significance? Binary distillation Adsorption Humidification Gas absorption Binary distillation Adsorption Humidification Gas absorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in Decreased solute solubility All of these Large minimum liquid to gas (L/G) ratio Large number of trays Decreased solute solubility All of these Large minimum liquid to gas (L/G) ratio Large number of trays ANSWER DOWNLOAD EXAMIANS APP
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