NPTEL Air Pollution and Control Assignment 6 Answers 2022

NPTEL Air Pollution and Control Assignment 6

Are you looking for the Answers to NPTEL Air Pollution and Control Assignment 6? This article will help you with the answer to the National Programme on Technology Enhanced Learning (NPTEL) Course “ NPTEL Air Pollution and Control Assignment 6

What is Air Pollution and Control?

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.


Average assignment score = 25% of the 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 THE 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.

Below you can find the answers for NPTEL Air Pollution and Control Assignment 6

Assignment No.Answers
Air Pollution Assignment 1 Click Here
Air Pollution Assignment 2 Click Here
Air Pollution Assignment 3 Click Here
Air Pollution Assignment 4 Click Here
Air Pollution Assignment 5 Click Here
Air Pollution Assignment 6 Click Here
Air Pollution Assignment 7 Click Here
Air Pollution Assignment 8 Click Here

NPTEL Air Pollution and Control Assignment 6 Answers:-

Q1. What is the kerb site location? 

a) Side of the water body
b) Side of the pavement 
c) Outside the main city
d) Away from pavement 

Answer: b) Side of the pavement 

Q2. Which one of the following models is used in the bottom-up approach?

a) Positive mass factorization (PMF) model
b) Chemical mass balance (CMB) model
c) Lagrangian model
d) Principal Components Analysis

Answer: c) Lagrangian model

Q3. Top-down approach is also called 

a) Receptor-based method
b) Source-based method
c) Emission inventory-based method
d) Dispersion based method

Answer: a) Receptor-based method

Q4. The fundamental principle of receptor modeling is

a) Mass conservation 
b) Energy conservation 
c) Normal distribution
d) Conservation of momentum 

Answer: a) Mass conservation 

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Q5. The main characteristics of receptor models is/are

a) Chemical mass balance principle
b) Based on the solution of multilinear equations 
c) Do not depend on emission inventories
d) All the above

Answer: d) All the above

Q6. Match List-I with List-II  and select the correct answer using the codes given below the lists:              List I                                               List II A. Organic carbon (OC)             1. High-performance liquid chromatography (HPLC) B. Inorganic elements               2. Thermal optical methods C. Organic compounds             3. Linear regression D. Analytical uncertainty           4. Inductively coupled plasma mass spectrometry (ICPMS)

a) A-2, B-1, C-4, D-3
b) A-2, B-4, C-1, D-3
c) A-1, B-3, C-2, D-4
d) A-1, B-3, C-4, D-2

Answer: b) A-2, B-4, C-1, D-3

Q7. Which of the following is not the cause of Indoor Air Pollution?

a) Poorly designed ventilation systems
b) Well-designed ventilation systems
c) Indoor sources of air pollution
d) Outdoor sources of air pollution

Answer: b) Well-designed ventilation systems

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Q8. Which of the following indoor air pollutants is responsible for irritation to the skin?

a) SO2
b) NOx
c) RSPM (Respirable Suspended Particulate Matter)
d) CO

Answer: b) NOx

Q9. What is the source of asbestos in the indoor environment?

a) Building maintenance
b) Glue
c) Insecticides 
d) Fertilizers 

Answer: a) Building maintenance

Q10. Which of the following are the biological indoor pollutants?

a) Mattresses
b) Pitchblende
c) Disinfectants
d) Uranium

Answer: a) Mattresses

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