Related Questions

Absorption factor, for a fixed degree of absorption from a fixed amount of gas should be
A 1
B > 1
C ≤ 1
In a gas-liquid absorption coloumn, for obtaining the maximum absorption efficiency
A Liquid stream should be distributed uniformly
B Gas stream should be distributed uniformly
C Both gas as well as liquid streams should be distributed uniformly
D By passing should be completely avoided
Absorption accompanied with chemical reaction is exemplified by the absorption of
A Ammonia in water
B Benzol present in coke oven gas by wash oil
C SO2 in alkaline solution
D All of the above
In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase.
A Liquid
B Gas
C Both A & B
D Neither A nor B
Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in
A Decreased solute solubility
B Large minimum liquid to gas (L/G) ratio
C Large number of trays
D All of the above
In case of an absorber, the operating
A Line always lies above the equilibrium curve
B Line always lies below the equilibrium curve
C Line can be either above or below the equilibrium curve
D Velocity is more than the loading velocity
Which of the following acts as an insulator against heat, cold and as a shock-absorber in the body?
A Dermis
B Epidermis
C Subcutaneous fat layer
D None of the above
If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is
A $$\frac{{\text{L}}}{{\text{G}}}$$
B $$\frac{{\text{G}}}{{\text{L}}}$$
C Always
D None of these
For the same system, if the same liquid used in an absorber is decreased, the tower height will
A Increase
B Decrease
C Remain unaffected
D Decrease or increase ; depends on the type of liquid
For a single component absorber, the operating line is straight only when plotted in term of __________ units.
A Partial pressure
B Mole ratio
C Mole fraction
D None of these

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