Mass Transfer The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C. 25 > 25 -25 < 25 25 > 25 -25 < 25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation. Equal to Either A or B, depends on the mixture composition Lower than Higher than Equal to Either A or B, depends on the mixture composition Lower than Higher than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of non-ideal gases and liquids, the molal diffusivity Varies directly as the pressure Is independent of pressure Is equal to the volumetric diffusivity Varies inversely as the pressure Varies directly as the pressure Is independent of pressure Is equal to the volumetric diffusivity Varies inversely as the pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom fraction containing 98 mol% B? Assume that relative volatility (αAB = 2) does not change appreciably in the coloumn. 12 6 8 10 12 6 8 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption factor, for a fixed degree of absorption from a fixed amount of gas should be ≤ 1 > 1 < 1 1 ≤ 1 > 1 < 1 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are Parallel Neither A nor B Both A & B Straight Parallel Neither A nor B Both A & B Straight ANSWER DOWNLOAD EXAMIANS APP
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