Mass Transfer Most important factor to be considered in the selection of packings for absorbers is the __________ of packing. Porosity Cost Durability Size Porosity Cost Durability Size ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Increases tray efficiency Is desirable, as it provides improved vapour-liquid contact Reduces pressure drop Decreases tray efficiency Increases tray efficiency Is desirable, as it provides improved vapour-liquid contact Reduces pressure drop Decreases tray efficiency 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. 6 12 10 8 6 12 10 8 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Leaching of sugar from sugar beets is done by Hexane Lime water Dilute H₂SO₄ Hot water Hexane Lime water Dilute H₂SO₄ Hot water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In an absorption coloumn, the flooding velocity for random packing is __________ that for stacked/regular packing. Smaller than Either A, or B ; depends on the type of packing Equal to Greater than Smaller than Either A, or B ; depends on the type of packing Equal to Greater than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The adiabatic saturation curve for a vapour-gas mixture is None of these Slightly concave upward Slightly concave downward Straight line None of these Slightly concave upward Slightly concave downward Straight line ANSWER DOWNLOAD EXAMIANS APP
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