Mass Transfer Prandtl number for water at 20°C is about 150 7 70 0.7 150 7 70 0.7 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. Decreases Increases Remains same Either A or B; depends on the gas Decreases Increases Remains same Either A or B; depends on the gas ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer H₂S is being absorbed in a gas absorber unit. The height of the transfer unit based on the overall mass transfer coefficient on the gas side is 0.4 m. The equilibrium data is given by, y = 1.5 x. The bulk concentration of H₂S has to be reduced from 0.05 to 0.001 mole fraction in the gas side. The height of the tower (in metres) corresponding to an operating line given by, y = 5x + 0.001 is 2 1.56 1 0.56 2 1.56 1 0.56 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of these columns incurs the lowest pressure drop? Packed column (with stacked packing) Pulse column Packed column (with dumped packing) Bubble plate column Packed column (with stacked packing) Pulse column Packed column (with dumped packing) Bubble plate column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The fixed cost of a distillation column at minimum reflux ratio is Infinite Minimum None of these Optimum Infinite Minimum None of these Optimum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height. 30-40 90-100 70-80 44119 30-40 90-100 70-80 44119 ANSWER DOWNLOAD EXAMIANS APP
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