Indoor Air Pollutant Quiz

How much do you know about Indoor Air Pollutants in the home? Try this brief quiz and find out.

Which of the following are reasons for concern about indoor air today?

  1. People spend most of their time indoors.
  2. The use of natural ventilation has decreased.
  3. Buildings and furnishings are produced from synthetic chemicals.
  4. All of the above are reasons for concern.

4. All of the above are reasons for concern.

Which of the following is an example of an irritant?

  1. Formaldehyde.
  2. Carbon dioxide.
  3. Carbon monoxide.
  4. Radon.

1. Formaldehyde.

Which of the following can affect the quality of indoor air?

  1. Vegetation surrounding the house.
  2. Quality of water supply.
  3. Geology.
  4. All of the above can affect indoor air quality.

4. All of the above can affect indoor air quality.

Which of the following is a potential carcinogen which can be emitted from water, some building materials and the soil?

  1. Lead.
  2. Trichloromethane.
  3. PCBs.
  4. Radon gas.

1. Radon gas.

Which of the following could be present in painted surfaces in older structures and could result in mental retardation?

  1. Benzene.
  2. Cadmium.
  3. Lead.
  4. Styrene.

3. Lead.

Through which of the following does the exchange of outdoor air with indoor air occur?

  1. Infiltration and exfiltration.
  2. Natural ventilation.
  3. Mechanical ventilation.
  4. All of the above.

4. All of the above.

Which of the following contaminants could result from air-conditioning or an evaporator cooler?

  1. Carbon monoxide.
  2. Carbon dioxide.
  3. Nitrogen dioxide.
  4. Microorganisms.

4. Microorganisms.

Which of the following air cleaning filters can remove small airborne particles with efficiencies of over 99%?

  1. Air filters.
  2. Pleated air filters.
  3. HEPA (High Efficient Particle Air) filters.
  4. Ion air cleaners.

3. HEPA (High Efficient Particle Air) filters.

Which of the following contaminants could result from the use of electronic air or ion air cleaners?

  1. Ozone.
  2. Microorganisms.
  3. Carbon monoxide.
  4. Carbon dioxide.

1. Ozone.

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