Mass Transfer On addition of solute in the solvent, the __________ of the solution decreases. Boiling point Both B and C Vapour pressure Freezing point Boiling point Both B and C Vapour pressure Freezing point ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Never Yes Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum Never Yes Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of constant underflow extraction operation, the __________ at all solute concentration. Neither A nor B Solids are drained to the same extent Ratio of the insoluble to solution is constant Both A & B Neither A nor B Solids are drained to the same extent Ratio of the insoluble to solution is constant Both A & B 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. 8 12 6 10 8 12 6 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Selectivity of the solvent used in solvent extraction should be < 1 1 > 1 < 1 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During drying of a solid, the critical moisture content increases with Increased drying rate Both B and C Increased thickness of the solid Decreased drying rate Increased drying rate Both B and C Increased thickness of the solid Decreased drying rate ANSWER DOWNLOAD EXAMIANS APP
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