Q. Find the number of stage(s), Where,

Y- Mole Ratio of gas phase
X- Mole Ratio of liquid phase

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Q. Find the driving force at the point (P) in the equilibrium distribution curve given below.

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Q. Find the slope of the operating line from the figure below.
Where,

Ls,Gs- non diffusing solvent
X,Y- Concentrations in mole ratio
x,y- concentration in mole fraction

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Q. Find the concentration representation in the equilibrium distribution curve given below.

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Q. Identify the relation between the slope of two operating line in the given figure.

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Q. Name of the line PR and QT, If X, Y – are represented in mole ratio.

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Q. Find the abscissa and ordinates of the graph.

If X,Y –Concentration in mole ratio
x,y- Concentration in mole fraction

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Q. The figure given below is a single stage ideal co- current process of solute transfer from liquid to gas phases.

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Q. Find the operating line slope.
Where,
X,Y- concentration in mole ratio of liquid and gas phase
x,y-concentration in mole fraction
Gs,Ls- mole free basis( non-diffusing solvent)

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Q. Look out the figure below. At the position (X), which of the following will be remains same as it enters into the process.

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Q. Find the x & y co-ordinate in the figure below at steady state. Here, the gas phase and liquid phase mole fraction representation is given below.

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Q. ______________ is defined as the number of equilibrium stages to the number of real stages.

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Q. Murphree efficiency is defined as the number of equilibrium stages to the number of real stages.

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Q. (Yn- Yn-1)/ (Yn*-Yn-1) is

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Q. The main purpose of cascades is

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Q. More than one stages are interconnected to form

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Q. Ideal stages are also known as

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Q. A device where two insoluble phases are brought into contact is known as

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Q. For Air-Water system Lewis Number equals to

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Q. Removal of ammonia from the air with water is an example of a counter-current process.

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