Q. For continuous drying of grannular or crystalline material, the dryer used is the __________ dryer.

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Q. When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption.

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Q. Moisture in a substance exerting an equilibrium vapour pressure less than that of pure liquid at the same temperature is called the __________ moisture.

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Q. For a binary mixture with low relative volatility, continuous rectification to get pure products will require

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Q. The efficiency of a plate column will be maximum, when the flow is ideal __________ the plate.

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Q. The temperature to which a vapour gas mixture must be cooled (at varying humidity) to become saturated is called the __________ temperature.

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Q. Entrainer used in azeotropic distillation should

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Q. In case of steam distillation, the steam leaving the liquid is not completely saturated with distillate vapour, because

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Q. Pick out the wrong statement.

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Q. Leaching of coffee from coffee beans is done by

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Q. For contacting a highly soluble gas with a liquid

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Q. During drying operation, it is easier to remove the __________ moisture.

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Q. With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas

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Q. Ion exchange process is similar to

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Q. A distillation column with N plates is being operated under normal conditions. At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are being withdrawn and feed to the column is stopped). At the new steady state,

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Q. The absorption factor is defined as (where, L = liquid flow rate, G = gas flow rate and, m = slope of the equilibrium line)

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Q. Smoke is an example of

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Q. Which of the following adsorbant is used in the refinning of sugar ?

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Q. Stacked packing compared to dumped packing

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Q. In McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripping and rectifying sections coincide with the diagonal at __________ reflux.

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