Q. According to Chilton-Colburn analogy for mass transfer, (NSt.NSc)^2/3 is equal to

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Q. 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

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Q. Minimum reflux ratio in a distillation column results in

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Q. Flooding in a distillation column is detected by a sharp

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Q. In case of unsaturated air

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Q. For a binary mixture with low relative volatility,

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Q. Plate efficiency

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Q. Absorption accompanied by heat evolution results in

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Q. Even though bubble cap towers are very effective for humidification operation, they are not used commonly in industries, because of the

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Q. Mass transfer co-efficient 'K' according to penetration theory varies with mass dif-fusivity as

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Q. Most important factor to be considered in the selection of packings for absorbers is the __________ of packing.

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Q. __________ is the separation technique used for desalination of sea water.

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Q. The relative saturation of a partially saturated mixture of vapour and gas can be increased by __________ of the mixture.

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Q. Danckwerts developed the __________ theory.

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Q. In a gas-liquid absorption coloumn, for obtaining the maximum absorption efficiency

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Q. Reverse osmosis is also called

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Q. Which of the following is not a batch drier?

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Q. Steam distillation is not recommended to be used, if the

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Q. Rayleigh equation applies to __________ distillation.

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Q. Molecular distillation is

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