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
Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of
A Nitric acid
B Sulphuric acid
C Ammonium sulphate
D Hydrochloric acid
Overall mass transfer co-efficient in case of absorption of __________ in water is based on the gas film co-efficient only, as the mass transfer process is gas film (phase) controlling.
A CO2
B SO2
C NH3
D None of these
What is the degree of freedom of an absorption process in which only one component is transferred between phases?
A 3
B 2
C 4
D 1
__________ column is used in gas absorption process.
A Wetted wall
B Seive/perforated tray
C Bubble cap
D Packed
In absorption of inosolation the most signficant part is played by
A Ozone
B Oxygen
C Haze
D Carbon dioxide

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