Mass Transfer If moisture content of solid on dry basis is X, then the same on wet basis is (X + 1)/X (X - 1)/X X/(X + 1) X/(X - 1) (X + 1)/X (X - 1)/X X/(X + 1) X/(X - 1) 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 1.94 1.24 1.04 0.54 1.94 1.24 1.04 0.54 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During the constant rate period of drying of a solid, Surface evaporation of unbound moisture occurs Increasing the air temperature decreases the drying rate None of these Increased air humidity decreases the rate of drying Surface evaporation of unbound moisture occurs Increasing the air temperature decreases the drying rate None of these Increased air humidity decreases the rate of drying ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is the most suitable for extraction in a system having very low density difference? Mixer-settler extractor Packed extraction tower Pulsed extractor Centrifugal extractor Mixer-settler extractor Packed extraction tower Pulsed extractor Centrifugal extractor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The caking of crystals can be prevented by Both A and C Maintaining low critical humidity Maintaining high critical humidity Coating the product with inert material Both A and C Maintaining low critical humidity Maintaining high critical humidity Coating the product with inert material ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of these columns incurs the lowest pressure drop? Pulse column Bubble plate column Packed column (with dumped packing) Packed column (with stacked packing) Pulse column Bubble plate column Packed column (with dumped packing) Packed column (with stacked packing) ANSWER DOWNLOAD EXAMIANS APP
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