NPTEL Air Pollution and Control Assignment 2 Answers 2022:- All the Answers provided here to help the students as a reference, You must submit your assignment at your own knowledge.
| NPTEL Air Pollution and Control | Answer |
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| Assignment 3 | Click Here |
| Assignment 4 | NA |
| Assignment 5 | NA |
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| Assignment 10 | NA |
| Assignment 11 | NA |
| Assignment 12 | NA |
Q1. Air pollutants which forms the haze, impacts visibility by _________ of light in the atmosphere.
(A) Scattering and absorption
(B) Only scattering
(C) Only absorption
(D) None of the above
Answer:- (A) Scattering and absorption
Q2. Which of the following soil type is more resistant to acid rain
(A) Quartzite
(B) Granite
(C) Gneiss
(D) Limestone
Answer:- (D) Limestone
Q3. Identify the criteria pollutant from the following options
(A) Carbon dioxide (CO2)
(B) Dioxin
(C) Carbon Monoxide (CO)
(D) Asbestos
Answer:- (C) Carbon Monoxide (CO)
Q4. The ozone layer which protects the earth from harmful ultraviolet rays is located in:
(A) Troposphere
(B) Stratosphere
(C) Mesosphere
(D) Exosphere
Answer:- (B) Stratosphere
Q5. Formation of ozone is an example of the phase transformation from:
(A) Liquid to gas
(B) Solid to gas
(C) Gas to gas
(D) Liquid to liquid
Answer:- (A) Liquid to gas
Q6. The _____________ is the major chemical scavenger in the troposphere and it controls the atmospheric lifetime of most gases in the troposphere.
(A) Ozone
(B) Hydroxyl radical (OH)
(C) Photochemical smog
(D) Volatile organic compounds
Answer:- (B) Hydroxyl radical (OH)
Q7. Earth rotates on its axis, circulating air is deflected towards the right in the Northern Hemisphere and towards the left in the Southern Hemisphere. This deflection is called
(A) Circulation
(B) Coriolis effect
(C) Convection
(D) None of the above
Answer:- (B) Coriolis effect
Q8. The process of the conversion of a liquid chemical into a vapor, which then escapes into the atmosphere is called
(A) Volatilization
(B) Adsorption
(C) Absorption
(D) Ionization
Answer:- For Answer Click Here
Q9. Consider the following figure and select the correct option:
The air parcel will:
(A) Rise
(B) Sink
(C) No change
(D) None of the above
Answer:- (A) Rise
Q10. Consider the following figure and select the correct option:
The types of atmospheric stability is:
(A) Absolute instability
(B) Absolutely stable
(C) Conditional stability
(D) Neutral
Answer:- (C) Conditional stability
NPTEL Air Pollution and Control Assignment 2 Answers 2022:- All the Answers provided here to help the students as a reference, You must submit your assignment at your own knowledge.
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