NPTEL Air pollution and Control Week 1 Assignment Answers 2024

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NPTEL Air pollution and Control Week 1 Assignment Answers 2024

NPTEL Air pollution and Control Week 1 Assignment Answers 2024

1. Which of the following fuels was banned by King Edward-I of England in 1307?

  • Wood
  • Coal
  • Both coal and wood
  • Fossil fuel
Answer :- b

2. The lithosphere includes:

1. Crust
2. Uppermost mantle 
3. Water over the earth
4. Water beneath the earth

Select the correct combination:

  • 1, 2, 3
  • 2, 3
  • 1, 2
  • 1, 4
Answer :- c

3. Photochemical smog comes under which scales of air pollution?

  • Micro scale
  • Meso scale
  • Macro scale
  • Global scale
Answer :- For Answer Click Here

4. Which household group in developing countries is highlighted as having the highest risk for disease development due to their longer duration exposure to indoor air pollution?

  • Elderly members
  • Children
  • Men
  • Women
Answer :- 

5. Which of the following is the short-term effects of dioxin on humans?

  • Vomiting
  • Coughing
  • Dark spots and lesions on the skin
  • Throat irritation 
Answer :- For Answer Click Here

6. Which part of the plant plays a role in the reactions of pollutants in an indirect way? 

  • Stem of the plant
  • Water film present on cuticle
  • Roots of the plant
  • Leaf of the plant 
Answer :- 

7. What is highlighted as a significant stressor to biodiversity in the context of airborne deposition? 

  • Heavy metals
  • Excess deposition of airborne nitrogen in the form of ammonia
  • Noise pollution
  • Changes in atmospheric pressure
Answer :- For Answer Click Here

8. What phenomenon is primarily responsible for the erosion of exposed surfaces of building materials?

  • Hydration
  • Sulphation
  • Oxidation
  • Carbonation
Answer :- 

9. What is/are damaging factors contribute to structure failure in porous materials when exposed for a long period?

  • Frost damage and salt weathering
  • Corrosion
  • Polluted environment
  • Oxidation and carbonation
Answer :- For Answer Click Here

10. As a preservative coating on the building surface, materials used like acrylic copolymers and siloxanes because of their ___________film forming properties.

  • Good cohesion
  • Good adhesion
  • Weak cohesion 
  • Weak adhesion
Answer :-