Air Pollution Control Methods Quiz
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Air Pollution Control Methods Quiz

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Questions and Answers

Which method involves preventing or minimizing pollutant formation and emissions at the source itself?

  • Raw material substitution (correct)
  • Gravitational settling chambers
  • Diffusion through tall stacks
  • Absorption

    • Which device is used to remove gaseous and particulate contaminants from the gas stream?

  • Electrostatic precipitators (correct)
  • Fabric filters
  • Cyclone separators
  • Incineration

    • What role can vegetation play in controlling air pollution?

  • Generating particulate contaminants
  • Producing gaseous pollutants
  • Releasing carbon dioxide
  • Utilizing carbon dioxide (correct)

    • Which method involves the utilization of absorption, adsorption, and incineration?

    <p>Control devices for gaseous contaminants</p> Signup and view all the answers

    What can aid in pollution control by zoning industrial areas away from residential areas?

    <p>Zoning of industrial areas</p> Signup and view all the answers

    Which of the following is an example of a secondary pollutant?

    <p>Ozone (O3)</p> Signup and view all the answers

    Which of the following is a direct emission from sources?

    <p>NO</p> Signup and view all the answers

    Which compound is directly emitted into the atmosphere from sources as a primary pollutant?

    <p>CH4</p> Signup and view all the answers

    Which type of combustion source produces a mixture of oxides of carbon, fly ash, nitrogen, and sulfur?

    <p>Stationary combustion sources</p> Signup and view all the answers

    Which pollutant is formed from reactions of H2SO4 and HNO3 droplets with NH3?

    <p>Sulfates and nitrates aerosols</p> Signup and view all the answers

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