17 Questions
What process occurs in the evaporator coil of an air conditioning system?
Evaporation
What is the primary purpose of a catalytic converter in an automobile?
To reduce air pollution
In the leaching process, what happens to the metal ions?
They dissolve in the solvent and diffuse into the liquid phase
What is an example of a gas-liquid interphase process?
Air conditioning
What is the purpose of liquid-liquid extraction?
To transfer a solute from one liquid phase to another
What is the outcome of the process in a catalytic converter?
Conversion of pollutants to less harmful substances
What is the unit of measurement for the concentration of A in the given equation?
kg/mol/m3
What does the negative sign in the diffusion equation indicate?
Mass transfer from high concentration to low concentration
What is the physical meaning of the diffusion coefficient DAB?
The ease of diffusion of A in B
What is the unit of measurement for the molar flux of component A in the z direction?
kg mol A/s.m2
What is the term for the rate of transfer of a substance through an area per unit time or amount of substance flowing through an area per unit time?
Flux
What is the reverse process of absorption in gas-liquid mass transfer?
Stripping or desorption
What type of mass transfer involves the movement of a substance between two phases?
Interphase mass transfer
What is the purpose of membrane separation in desalination?
To selectively allow certain components to pass through while blocking others
Which of the following is an example of gas-liquid mass transfer?
Absorption of CO2 from flue gas by amine solvents
What is the term for the transfer of a gaseous component into a liquid phase?
Gas-liquid absorption
Which of the following is not an example of interphase mass transfer?
Doping of semi-conductors
Test your understanding of air conditioning systems, including refrigerant phases and heat transfer. Additionally, learn about liquid-liquid mass transfer and its application in extraction processes.
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