Mass Transfer If f = moles of vapour present per mole of feed, then the slope of feed line is - f/(1 - f) - (f - 1)/f - 1/f (1 - f)/f - f/(1 - f) - (f - 1)/f - 1/f (1 - f)/f ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a distillation column, with increase in the reflux ratio, the heat removed in the cooler And the heat required in reboiler decreases Decreases Increases Remains unaffected And the heat required in reboiler decreases Decreases Increases Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of __________ is zero. Liquid phase Gas phase Interface All of these Liquid phase Gas phase Interface All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is 1 10 5 100 1 10 5 100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The adiabatic saturation curve for a vapour-gas mixture is Straight line Slightly concave upward Slightly concave downward None of these Straight line Slightly concave upward Slightly concave downward None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Overall efficiency of the distillation column is Same as the Murphree efficiency Always more than the point efficiency The ratio of number of actual plates to ideal plates The ratio of number of ideal plates to actual plates Same as the Murphree efficiency Always more than the point efficiency The ratio of number of actual plates to ideal plates The ratio of number of ideal plates to actual plates ANSWER DOWNLOAD EXAMIANS APP