Mass Transfer Which of the following operations does not involve leaching? Removing nicotine from its water solution by kerosene Dissolving gold from ores Dissolving sugar from the cells of the beet Dissolving pharmaceutical products from bark or roots Removing nicotine from its water solution by kerosene Dissolving gold from ores Dissolving sugar from the cells of the beet Dissolving pharmaceutical products from bark or roots ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Binary distillation involves the mass transfer by __________ at the gas-liquid interface. Either A or B A counter diffusion at an almost equal molar rate Unidirectional diffusion from liquid to gas phase Unidirectional diffusion from gas to liquid phase Either A or B A counter diffusion at an almost equal molar rate Unidirectional diffusion from liquid to gas phase Unidirectional diffusion from gas to liquid phase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Extraction of pencillin employs a __________ extraction coloumn. Packed None of these Plate Centrifugal Packed None of these Plate Centrifugal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages Decrease Remain unchanged Can either increase or decrease, depends on the system Increase Decrease Remain unchanged Can either increase or decrease, depends on the system Increase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The interfacial area per unit volume of dispersion, in a gas-liquid contactor, for fractional hold up of gas = 0.1 and gas bubble diameter = 0.5 mm is given by (in m²/m³) 50 500 1000 100 50 500 1000 100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation. Higher than Either A or B, depends on the mixture composition Equal to Lower than Higher than Either A or B, depends on the mixture composition Equal to Lower than ANSWER DOWNLOAD EXAMIANS APP
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