Question
a.
True
b.
False
c.
May be True or False
d.
Can't say
Posted under Liquid Extraction Mass Transfer
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Q. Will it be possible to separate multi-component solution with the help of two solvents.
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Q. The method of using two solvents is known as double solvent.
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Q. Fractional extraction is also known as ________
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Q. The composition of substances in the extraction are represented by __________
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Q. For extraction, the distribution co-efficient should be greater than 1.
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Q. The viscosity should be high for the solvents using in extraction operation.
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Q. The Azeotropic composition of the solute makes the extraction process economical.
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Q. Find the separation factor if the ratio of weight fraction of solute in the extract to raffinate is 0.75. Also given the ratio of dilutant in raffinate to extract is 0.5.
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Q. The separation is possible if the ratio of weight fraction of solute in extract to raffinate is 0.15. Also given the ratio of dilutant in raffinate to extract is 0.5.
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Q. In absorption operation, the solubility of gas should be high on the solvent.
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Q. The solvent used in the extraction should be more volatile.
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Q. For getting rapid absorption rate, low pressure drop and more heat transfer we need?
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Q. In extract, the usage of solvent should be less.
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Q. Stages in the extractor are _______________
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Q. Extraction includes mixing alone.
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Q. Every stage of extractor act as mixer and settler in the extraction process.
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Q. Is the extraction is possible if a gas solvent is used for extracting solute from liquid mixture.
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Q. Find the pure solvent rate if the feed ( F= 100 kmol/hr) composition is 0.65 and mixture solute composition is 0.5.
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Q. Find the mixture composition of feed and pure solvent if the ratio of solvent to feed rate is 0.5 and the feed composition is 0.5.
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Q. The extraction compositions in equilibrium are represented by equilateral triangle whose coordinates are known as
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Q. The change of solubility by adding other component gives rise to binodal solubility curve.
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