Q. Ideal stages are also known as

View solution

Q. More than one stages are interconnected to form

View solution

Q. The main purpose of cascades is

View solution

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

View solution

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

View solution

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

View solution

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.

View solution

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

View solution

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)

View solution

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

View solution

Q. Find the abscissa and ordinates of the graph.

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

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

View solution

Q. Find the value of y in an ideal single stage absorber is used to remove ammonia from gas with water as solvent. Its representation is given below.

Here,
y0=0.2, the molar gas flow rates of liquid and gas mixture in (moles/sec) are 4 and 2. The equilibrium relation between y and x is given by y = 0.2x. The solvent water is pure.

View solution

Q. Find the Murphree stage efficiency for the following co-current operation with equilibrium leaving gas phase concentration Y*= 0.8.

Where,
G and L are gas and liquid flow rates
Y and X are concentration in mole ratio (Y1=0.2, Y2=0.4, X1= 0.6, X2=0.8)

View solution