Mass Transfer The suitable evaporator for concentration of foaming liquids is a __________ evaporator. Vacuum Long tube Falling film Short tube Vacuum Long tube Falling film Short tube ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of NA/(NA + NB), for steady state equimolal counter diffusion of two gases 'A' and 'B' is ∞ 1 2 0.5 ∞ 1 2 0.5 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) 100 500 1000 50 100 500 1000 50 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In rectifying section of a continuous distillation column, the Vapour is enriched with high boilers None of these Liquid is stripped of high boilers Vapour is enriched with low boilers Vapour is enriched with high boilers None of these Liquid is stripped of high boilers Vapour is enriched with low boilers ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Does not change with time Does not affect the moisture content of the wet solid Increases with time Decreases with time Does not change with time Does not affect the moisture content of the wet solid Increases with time Decreases with time 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 10 12 8 6 10 12 8 ANSWER DOWNLOAD EXAMIANS APP
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