MCQ on Filtration

Sourav Bio

Filtration is a process used to separate solids from liquids or gases by passing the mixture through a filter medium that allows the liquid or gas to pass through, but retains the solid particles. The process of filtration can be used to remove impurities, purify liquids or gases, or to separate particles based on size or other physical characteristics. There are several different types of filtration processes, including gravity filtration, pressure filtration, and vacuum filtration, and various types of filter media can be used, such as sand, gravel, activated carbon, or ceramic. Filtration is widely used in a variety of applications, including water treatment, beer brewing, medical treatment, and aerospace engineering.

  1. What is the main purpose of filtration?
    • a) To separate solids from liquids
    • b) To remove impurities from a solution
    • c) To purify a gas
    • d) All of the above
  2. What is the process called when a solid filter media traps particles as a liquid or gas flows through it?
    • a) Adsorption
    • b) Absorption
    • c) Filtration
    • d) Distillation
  3. Which of the following is NOT a type of filtration process?
    • a) Gravity filtration
    • b) Pressure filtration
    • c) Vacuum filtration
    • d) Thermal filtration
  4. What is the process called when a filter media becomes clogged and needs to be replaced or cleaned?
    • a) Filter regeneration
    • b) Filter rejuvenation
    • c) Filter breakthrough
    • d) Filter backwash
  5. Which of the following is NOT a common type of filter media?
    • a) Sand
    • b) Gravel
    • c) Activated carbon
    • d) Ceramic
  6. What is the process called when a filter is used to remove bacteria and other microorganisms from a liquid?
    • a) Sterilization filtration
    • b) Sanitation filtration
    • c) Disinfection filtration
    • d) Microfiltration
  7. What is the process called when a filter is used to remove particles smaller than 0.1 micrometers from a liquid?
    • a) Ultrafiltration
    • b) Nanofiltration
    • c) Reverse osmosis
    • d) All of the above
  8. Which of the following is NOT a common application of filtration?
    • a) Water treatment
    • b) Beer brewing
    • c) Medical treatment
    • d) Aerospace engineering
  9. What is the process called when a filter is used to remove dissolved ions and molecules from a liquid?
    • a) Deionization
    • b) Demineralization
    • c) Desalination
    • d) All of the above
  10. What is the process called when a filter is used to remove particles from a gas?
    • a) Gas filtration
    • b) Air filtration
    • c) Vapour filtration
    • d) All of the above

Answer KEY

  1. d) All of the above
  2. c) Filtration
  3. d) Thermal filtration
  4. c) Filter breakthrough
  5. d) Ceramic
  6. a) Sterilization filtration
  7. d) All of the above
  8. d) Aerospace engineering
  9. d) All of the above
  10. d) All of the above

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