Q. Solvent used in extractive distillation

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Q. Air at a particular humidity is heated in a furnace. The new dew point

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Q. In a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalant to a theoretical plate HTUOG = overall gas phase height of a transfer unit)

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Q. The vapour pressure exerted by the moisture contained in a wet solid depends upon the

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Q. Heat load in a cooling tower

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Q. In case of absorption with exothermic reaction, for fluids having

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Q. Detergent solution is dried to a powder in a

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Q. Which of the following mixtures does not form an azeotrope at atmosheric pressure?

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Q. During bottling of cold drinks (e.g. Pepsi), the main resistance to mass transfer for the absorption of carbon dioxide in water lies in the

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Q. The diffusivity (D) in a binary gas mixture is related to the temperature (T) as

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Q. For which of the following unit operations, Lewis number is of significance ?

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Q. Tray spacing in a distillation column of dia 10-12 ft. used in petroleum refinery may be around __________ inches.

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Q. If a₁ and a₂ are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement.

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Q. The dimension of diffusivity is same as that of the

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Q. Which of the following is directly concerned with psychrometry ?

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Q. Plate efficiency in a distillation column is reduced due to the __________ of liquid.

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Q. The most efficient cooling tower out of the following is

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Q. Sodium bicarbonate is produced during soda ash manufacture using a __________ tower.

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Q. Powdery materials can be guarded against caking tendency on storage by

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Q. According to Poiseuille's law, the permeability for gas flow through a capillary is proportional to (where, μ = gas viscosity)

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