Air Pollution and Control Week 5 Nptel Quiz Answers
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Air Pollution and Control Week 5 Nptel Quiz Answers (Jan-Apr 2025)
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1. Which of the following limitations is/are NOT associated with the EMPA model used for estimating vehicular emissions?
A) (i), (ii) & (iii)
B) (i), (iii)
C) (ii)
D) (iii)
2. Which of the following air pollutants is NOT considered in the VAPI (Vehicular Air Pollution Inventory) model?
A) CO
B) CO2
C) O3
D) PM
3. What is the primary purpose of the MARKAL (MARKet ALlocation) model?
A) To assess the economic growth of developing countries
B) To model energy systems and compliance with climate change agreements
C) To monitor air quality and pollution
D) To optimize agricultural productivity
4. What is the primary focus of the GAINS model?
A) Estimating costs and potentials for air pollution control and GHG mitigation
B) Managing international energy trade agreements
C) Monitoring local air quality using satellite imagery
D) Predicting future changes in rainfall patterns due to pollution
5. Which of the following pollutants is primarily emitted from livestock enteric fermentation and rice cultivation?
A) Ammonia (NH3)
B) Fine particulate matter (PM2.5)
C) Methane (CH4)
D) Nitrous oxide (N2O)
6. What source contributes to the release of volatile organic compounds (VOCs) in agriculture?
A) Both (a) and (c)
B) Diesel engines in machinery
C) Fertilization of soils
D) Metabolic processes of vegetation and livestock
7. What activities are covered under the residential sector in relation to fuel combustion?
A) Captive power generation in offices
B) Domestic cooking and use of fireplaces
C) Heating, boiler operation, and commercial cooking
D) Waste management and recycling
8. Which of the following facilities are commonly found in urban areas contributing to commercial sector emissions?
A) Agricultural fields and farmhouses
B) Hospitals, shopping malls, and crematoriums
C) Rural community centers and livestock farms
D) Schools and public parks
9. Which component is used to detect CO, CO2, and HC in transport emission inventory using remote sensing?
A) Gas chromatography
B) Laser interferometer
C) Non-dispersive infrared (NDIR) component
D) Twin dispersive ultraviolet (UV) spectrometer
10. What is the primary purpose of Aerosol Optical Depth (AOD)?
A) To calculate the pH level of rainwater
B) To determine the source of gaseous emissions
C) To express the quantity of light removed by aerosols in the atmosphere
D) To measure the concentration of NO2 in urban areas
Air Pollution and Control Week 5 Nptel Quiz Answers (Jan-Apr 2025)
For answers to others Nptel courses, please refer to this link: NPTEL Assignment
