NPTEL Air Pollution and Control Assignment 6 Answers 2023

Hello NPTEL Learners, In this article, you will find NPTEL Air Pollution and Control Assignment 6 Week 6 Answers 2023. All the Answers are provided below to help the students as a reference don’t straight away look for the solutions, first try to solve the questions by yourself. If you find any difficulty, then look for the solutions.

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NPTEL Air Pollution and Control Assignment 6 Answers 2023
NPTEL Air Pollution and Control Assignment 6 Answers 2023

NPTEL Air Pollution and Control Assignment 6 Answers 2023:

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Q.1. Which of the following data are associated with secondary data? 

  • Questionnaires
  • Continuous monitoring
  • Field survey
  • Published reports/articles

Q.2. ____________________is the practice of deriving information about pollution sources and the amount they contribute to ambient air pollution levels.

  • Source Apportionment
  • Emission inventory
  • Air quality management system
  • Air Quality Index

Q.3. Which of the following models follows the source-based methods?

  • Gaussian plume model
  • Positive mass factorization (PMF) model
  • Chemical mass balance (CMB) model
  • Principal Components Analysis
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NPTEL Air Pollution and Control Assignment 6 Answers 2023

Q.4. The fundamental principle of receptor modeling is

  • Energy conservation
  • Normal distribution
  • Mass conservation
  • Conservation of momentum

Q.5. The minimum number of samples (N) is the one that produces a degree of freedom (D) to variable number (V) ratio___________. 

  • Greater than 60
  • Less than 60
  • Greater than 80
  • Less than 80

Q.6. Values that do not follow the distribution of data with similar characteristics are referred to as______________. 

  • Outliers
  • Time trends
  • Linear regression
  • Correlation matrices

Q.7. Which one of the following is NOT the cause of indoor air pollution? 

  • Air-tightness of buildings
  • Indoor sources of air pollution
  • Outdoor sources of air pollution
  • Well-designed air conditioning systems
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Q.8. ________________is defined by the depiction of concentrations of pollutants and thermal conditions that may negatively affect the health, comfort, and performance of a building’s occupants. 

  • Indoor air quality
  • Sick building syndrome
  • Mechanical Ventilation
  • Hybrid ventilation

Q.9. ______________is a mixture of the smoke given off by burning tobacco products, such as cigarettes, cigars/pipes, and the smoke exhaled by smokers.

  • Secondhand smoke
  • Photochemical smog
  • Dust
  • Fog

Q.10. Which of the following is the source of dust mites?

  • Carpets
  • Aerosol sprays
  • Disinfectants
  • Uranium
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NPTEL Air Pollution and Control Assignment 6 Answers 2023

Disclaimer: This answer is provided by us only for discussion purpose if any answer will be getting wrong don’t blame us. If any doubt or suggestions regarding any question kindly comment. The solution is provided by Chase2learn. This tutorial is only for Discussion and Learning purpose.

About NPTEL Air Pollution and Control Course:

The objective of the course is to impart the knowledge and understanding of causes and effects of air pollution and their controlling mechanisms. The course will provide a deeper understanding of air pollutants, pollution inventory and modelling. The course also imparts knowledge on the impacts of air pollution on different aspects such as policy, human health and various contemporary technological innovation for betterment of air quality.

Course Outcome:
  • Week 1 : Air Pollution: Introduction and Impacts of air pollution on human health, vegetation, animals, building materials, structures, and atmosphere, soil and water bodies.
  • Week 2 : Sources, classification and formation/transformation of air pollutants: Meteorology and Atmospheric Stability.
  • Week 3 : Lapse Rate, Plume Behaviour, and Air Quality Monitoring, Air Quality Index (AQI)
  • Week 4 : Air Quality Modelling, Gaussian dispersion models: point, line and area source models
  • Week 5 : Emissions Inventory: Transport, Industrial, Agricultural, Residential and Commercial sectors
  • Week 6 : Application of Remote sensing/Satellite based data in emission inventory, Source apportionment using receptor modelling.
  • Week 7 : Indoor air pollution: sources, types and health impacts. Sampling, assessment and evaluation of Indoor air quality.
  • Week 8 : Global and regional environmental issues of air pollution: Ozone depletion, Climate change, Global warming, Acid rain.
  • Week 9 : Air pollution control devices, equipment and their design.
  • Week 10 :  Air pollution emission standards, National and international policies, acts, rules and regulations.
  • Week 11 : Emerging technologies and strategies to mitigate air pollution, Current challenges and way forward.
  • Week 12 : Lab-based measurements of air pollutants.

Average assignment score = 25% of average of best 8 assignments out of the total 12 assignments given in the course.
Exam score = 75% of the proctored certification exam score out of 100

Final score = Average assignment score + Exam score

YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.

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