Chemical Engineering :: Mass Transfer
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Pick out the correct statement.
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__________ columns are used for liquid dispersion in a continuous gas phase.
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Overall efficiency of the distillation column is
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On addition of solute in the solvent, the __________ of the solution decreases.
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Which is the controlling factor for a drum drier?
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Drying operation under vacuum is carried out to
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Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a
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Separation of two or more components of a liquid solution can not be achieved by
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Stefan's law describes the mass transfer by
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At minimum reflux ratio for a given separation
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A.
In case of liquid-liquid extraction, no separation is possible, if the selectivity of the solvent used is unity.
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B.
With increase in temperature, the selectivity of the solvent used in solvent extraction decreases.
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C.
The selectivity of solvent used in solvent extraction is unity at the plait point.
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D.
all (a), (b) and (c).
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