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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Q. Decoction refers to the use of solvent

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Q. Flash distillation is suitable for separating the constituents of a binary system, which

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

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Q. The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec.

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Q. NSc/NPr is called the

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Q. McCabe-Thiele method

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Q. The film penetration model of mass transfer was enunciated by

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Q. The most economical range of absorption factor is

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Q. Channelling is most severe

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Q. If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are

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