Q. Operating velocity in a packed tower is usually __________ the flooding velocity.

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Q. The Knudsen diffusivity is dependent on the

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Q. Solvent extraction is the terminology applied to the liquid-liquid extraction, which is preferred for the separation of the components of liquids, when

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Q. Inside the distillation column, the

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Q. Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in

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Q. Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate.

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

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Q. Which of the following equipments is not used for gas dispersion ?

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Q. One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult's law is obeyed, then changing the feed composition would effect

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Q. With increase in the liquid flow rate at a fixed gas velocity in a randomly packed counter current gas-liquid absorption column, the gas pressure drop

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Q. Minimum possible diameter of a packed coloumn is decided mainly by the

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Q. Solvent used in extractive distillation

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Q. Capacity of a rotary dryer depends on its

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Q. The cooling effect in a cooling tower can be speeded up by

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Q. Radioactive nuclear waste is treated in

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Q. Large scale drying of sugar is done in a __________ dryer.

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Q. __________ temperature is the steady state temperature attained by a small amount of liquid evaporating into a large quantity of unsaturated gas-vapor mixture.

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Q. The drying time between fixed moisture contents within the 'constant rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid )

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Q. __________ equation applies to diffusivities in liquids.

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Q. Hydrogenation of oil is carried out in a/an __________ in Vanaspati manufacturing plant.

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