Q. If the operating line touches the equilibrium line, the separation is possible in an absorber.

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Q. For the Absorber design, the plotting with mole ratio helps to find the

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Q. Given for an absorber, the minimum non diffusing liquid flow rate is 20 moles/hr and the non diffusing gas flow rate is 30 moles/hr. As the actual liquid flow rate is 2.5 times the minimum. Find the slope of the operating line.

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Q. Gas absorption is the process of transferring solute component from liquid solvent to gas mixture.

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Q. The equilibrium characteristics of the solubility of a gas in liquid helps to determine the

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Q. Solubility of a gas increases with increase in temperature.

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Q. Which of the following is not an example of ideal solution?

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Q. According to Raoult’s law, for a pure component solution the partial pressure is equals to

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Q. According to Hendry’s law,

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Q. Match the following:

1) Hendry’s law a) Ideal solution
2) Dalton’s law b) Non- Ideal solution
3) Raoult’s law c) Sum of partial pressure

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Q. Find the false statement for the better choice of the absorbent.

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Q. Find the most common example for absorption.

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Q. Find the improper characteristic of ideal solution.

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Q. The equation helps us to find the number of trays in an absorber theoretically is _________

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Q. Absorption factor increases equipment cost decreases

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Q. Packed towers are _____________

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Q. Packing height in the packed tower = NTU x __________

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Q. Will the Height equivalent theoretical plates changes with flow rates?

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Q. Find the absorption tower height if

Number of gas phase transfer units 4.09
Height of gas phase transfer units 1.5 meters

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Q. Find the HTU if gas rate is 0.07 kmol/sq.m s and the Fg* a ( F type mass transfer co-efficient) is 0.06 kmol/ cu.m s.

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