Mass Transfer The drying time between fixed moisture contents within the 'constant rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T √T T1.5 T3 T √T T1.5 T3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The adiabatic saturation curve for a vapour-gas mixture is Slightly concave downward Slightly concave upward Straight line None of these Slightly concave downward Slightly concave upward Straight line None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At what value of reflux ratio, number of theoretical plates in a distillation column is minimum? < 1 1 ∞ < 1 1 ∞ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. Either A or B; depends on the gas Remains same Decreases Increases Either A or B; depends on the gas Remains same Decreases Increases 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 0.5 2 ∞ 1 0.5 2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Does not affect the moisture content of the wet solid Decreases with time Increases with time Does not change with time Does not affect the moisture content of the wet solid Decreases with time Increases with time Does not change with time ANSWER DOWNLOAD EXAMIANS APP
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