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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Q. Which of the following operations does not involve leaching ?

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Q. The recovery of pencillin from the acidified fermentation broth is done by

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Q. Unit operation involved in the prilling of urea is

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Q. Molecular seives are porous

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Q. Calcium ammonium nitrate (a fertiliser) is dried in a __________ dryer.

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Q. A binary mixture of benzene and cyclohexane is separated by

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