Q. If the gas phase composition of a component A is 0.65 and its relative volatility is 2. Find the liquid phase composition.

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Q. The component A and B has the same boiling point. Can the separation is done by ordinary separation?

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Q. The possibility of separation will be more if the separation factor is greater than 1.

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Q. Find the vapour pressure of component A in an ideal mixture, if its liquid composition and the partial pressure is 0.65 and 260 mmHg.

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Q. Consider an ideal vapour-liquid binary mixture, find the total pressure if the vapour pressure of A is 260 mmHg and the vapour pressure of B is 520 mmHg and the composition of A in mole fraction is 0.55.

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Q. Guess the exact relation between the vapour phase mole fraction and relative volatility.

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Q. Given the total pressure is 2 atm. Also the partial pressure of the two components in an ideal solution is 1 atm and 0.5 atm. It shows __________ deviation.

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Q. If the vapour pressure of the two components in a binary mixture is same, then it is a________

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Q. Minimum boiling azeotrope has_________

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Q. Alternative word of Azeotrope is a Differential-boiling point.

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Q. Negative deviation is due to a total pressure less than the pressure obtained from Hendry’s law.

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Q. Azeotropic composition can be eliminated by

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Q. When the two liquid mixtures are completely insoluble then the total pressure of the mixture is

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Q. Consider an insoluble mixture A and B; Find the Total pressure of the system.

Vapour pressure of A= 50mmHg
Vapour pressure of B= 100 mmHg

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Q. Ordinary distillation cannot separate Azeotrope.

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Q. Flash vaporization is a

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Q. The feed is directly passed to the flash vaporization column

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Q. Binary mixture of 100 kmol/hr enters into a flash drum has equimolar composition. The distillate obtained is 60 kmol/hr and the enthalpy of distillate, residue and feed are 500 KJ/kmol, 200 KJ/kmol and 400 KJ/kmol. Find the bottom flow rate in kmol/hr.

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Q. Find the ratio of distillate to residual flow rates, if a binary mixture containing 65% of more volatile component while the distillate and the residue compositions are 90% and 30%.

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Q. What happens to the liquid after preheating when enter to the cyclonic flash drum?

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