Mass Transfer Fenske's equation for determining the minimum number of theoretical stages in distillation column holds good, when the Mixture (to be separated) shows negative deviation from ideality Relative volatility is reasonably constant Mixture (to be separated) shows positive deviation from ideality Multicomponent distillation is involved Mixture (to be separated) shows negative deviation from ideality Relative volatility is reasonably constant Mixture (to be separated) shows positive deviation from ideality Multicomponent distillation is involved ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A pure drug is administered as a sphere and as a cube. The amount of drug is the same in the two tablets. Assuming that the shape and size do not influence the mass transfer, the ratio of rate of dissolution in water at t = 0 for the cubic to spherical tablet is 0.54 1.04 1.94 1.24 0.54 1.04 1.94 1.24 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If moisture content of solid on dry basis is X, then the same on wet basis is X/(X + 1) (X - 1)/X X/(X - 1) (X + 1)/X X/(X + 1) (X - 1)/X X/(X - 1) (X + 1)/X ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate. Does not affect Exponentially increases Increases Decreases Does not affect Exponentially increases Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG:mass transfer co-efficient, mols/m² , a: in-terfacial area per unit volume of tower) (G.a)/FG F/(FG.a) FG/(G.a) L/(FG.G) (G.a)/FG F/(FG.a) FG/(G.a) L/(FG.G) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The slope of the operating line for a single component co-current absorber when plotted in terms of mole ratio units is -ve ∞ +ve -ve ∞ +ve ANSWER DOWNLOAD EXAMIANS APP
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