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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Q. Drying of a wet solid under constant drying conditions means the exposure of the wet solid to the air of constant

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Q. Which of the following provides maximum contact surface for a liquid-vapour system?

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Q. For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is

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Q. In stripping section of continuous distillation column, the

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Q. In extraction, as the temperature increases, the area of hetrogeneity (area covered by binodal curve)

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Q. Pick out the wrong statement.

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Q. In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation.

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Q. At constant pressure, with increase of temperature, the dew point will

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