Q. Which of the following assumes constant molal vaporisation and overflow ?

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Q. Absorption factor, for a fixed degree of absorption from a fixed amount of gas should be

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Q. Selectivity of the solvent used in solvent extraction should be

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Q. Pick out the wrong statement pertaining to leaching.

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Q. Wet bulb and dry bulb temperatures becomes identical at __________ percent saturation curve.

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Q. Can a cooling tower cool water below the wet bulb temperature of inlet air ?

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Q. The solvent used in liquid-liquid extraction should have __________ less than one.

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Q. The suitable evaporator for concentration of foaming liquids is a __________ evaporator.

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Q. The ratio of Murphree plate efficiency to point efficiency is always > 1 in a __________ flow model.

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Q. Tea percolation employs

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Q. Flooding in a column results due to

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Q. Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty ?

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Q. A liquid mixture contains 30% o-xylene, 60% p-xylene and 10%. m-xylene (all percentages in w/w). Which of the following statements would be true in respect of this mixture?

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Q. Unsaturated air (with dry bulb temperature and dew point being 35°C and 18°C respectively) is passed through a water spray chamber maintained at 15°C. The air will be cooled

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Q. The process employing desorption of the absorbed solute by a solvent is called

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Q. Steam distillation is used for separation of high boiling

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Q. The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will

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Q. Rose oil is extracted from rose leaves using __________ distillation.

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Q. Hypersorption refers to a __________ process.

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Q. Dry bulb temperature of the gas is __________ the wet bulb temperature.

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