NPTEL Air pollution and Control Week 2 Assignment Answers 2024

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NPTEL Air pollution and Control Week 2 Assignment Answers 2024

1. What term is used to describe the measure of how well an observer can see a scene?

  • Transparency
  • Luminosity
  • Visibility
  • Albedo
Answer :- For Answer Click Here

2. How can air pollutants such as SO2 and NOx affect environmental issues associated with rainfall?

  • Increase in rainfall amount
  • Formation of acidic rainfall
  • Reduction in rainfall intensity
  • No impact on rainfall
Answer :- For Answer Click Here

3. What harmful properties do aerosols from oceans possess, especially at coastal locations?

  • Cooling effect
  • Corrosive properties
  • Moisturizing effect
  • Neutral properties
Answer :- 

4. How are film drops formed in the context of aerosol production from bursting bubbles?

  • By shattering the thick lower surface of the bubble
  • By shattering the thin upper surface of the bubble
  • By direct emission from ocean surfaces
  • By condensation of water vapor
Answer :- 

5. What compounds can be produced during incomplete combustion, and some of them are more toxic than the original compounds being oxidized?

  • Ozone and nitrogen oxides
  • Methane and ethane
  • Polycyclic aromatic hydrocarbons (PAHs), dioxins, furans, and CO
  • Sulphur dioxide and particulate matter
Answer :- 

6. Which one of the following is/are produced during the complete combustion of organic compounds?

  • CO2
  • CO2 and H2O
  • CO and H2O
  • H2O
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7. What would be the atmospheric circulation pattern if the Earth did not rotate and remained stationary?

  • Circulation around the northern hemisphere
  • Simple back-and-forth pattern between the poles and the equator
  • Circular motion around the equator
  • No atmospheric circulation
Answer :- 

8. Which one of the following weather patterns is responsible for the Sunny and calm weather with poor dispersion of air? 

  • Anticyclones
  • Cyclone
  • El Nino
  • La Nina
Answer :- 

9. What is the Dry Adiabatic Lapse Rate (DALR) associated with?

  • Moist air parcels
  • Unsaturated air parcels
  • Air parcels with high humidity
  • Completely saturated air parcels
Answer :- 

10. How does the heat released by condensation affect the wet adiabatic lapse rate?

  • It has no effect
  • It intensifies adiabatic cooling
  • It mitigates adiabatic cooling, resulting in warmer air
  • It causes air parcel to become completely saturated
Answer :- For Answer Click Here