Below is given an equilibrium moisture curve of a substance. State which regions represent free moisture and unbound moisture respectively ?

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Leaching of uranium ore and gold ore is done in________________________?

A. Centrifugal extractor B. Pachuca tanks C. Bollman extractor D. None of these...

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___________________?

A. 0.54 B. 1.04 C. 1.24 D. 1.94...

In McCabe-Thiele method, at infinite reflux ratio___________________?

A. Number of plates is maximum B. Overhead product is maximum C. Both the operating lines coincide with the diagram D. None of these...

For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is___________________?

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The equipment used in the extraction of highly corrosive radioactive liquids is_______________________?

A. Pulse column B. Spray column C. Mixer settler D. Baffle tower...