Air Pollution and Control Week 6 Nptel Quiz Answers
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Air Pollution and Control Week 6 Nptel Quiz Answers (Jan-Apr 2025)
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- What is EPA’s AP-42 (2000) used for emission calculations?
a) Modeling wind speed
b) Measuring the concentration of gaseous pollutants
c) Providing emission factors for pollutants not listed elsewhere
d) Determining the thermal efficiency of fuels
- Where is a kerb site location typically found?
a) Near a water body
b) Alongside a pavement
c) On the outskirts of a city
d) Far from any pavement
- What is the primary goal of the bottom-up or source-based method?
a) To ignore emissions sources
b) To avoid documenting the potential for secondary aerosol formation
c) To locate pollution sources and develop emission inventories
d) To avoid chemical transport modeling
- In the mass balance equation given below, xij represents:
a) The concentration of the jth species in the ith sample
b) Source profile for the kth source
c) The emission factor of a pollutant
d) The meteorological factor influencing dispersion
- Which of the following pollutants are receptor models mainly used to analyze?
a) Ozone (O3)
b) Carbon dioxide (CO2)
c) Particulate matter (PM)
d) Nitric oxide (NO)
- What visual test is commonly used to assess the normality of data?
a) Normal probability plots
b) Pie charts
c) Line graphs
d) Bar charts
- Which is a common myth about air pollution?
a) Air pollution occurs only outdoors
b) Air pollution occurs indoors and outdoors equally
c) Air pollution is harmless
d) Air pollution is caused by poor air quality only
- Which of the following is NOT a cause of indoor air pollution?
a) Air tightness of buildings
b) Poorly designed air conditioning systems
c) High altitudes
d) Indoor sources of pollution
- How does excess oxygen affect the formation of carbon monoxide?
a) It decreases the formation of CO
b) It increases the formation of CO
c) It has no effect on CO formation
d) It makes CO more visible
- Where are levels of lead in soil typically higher?
a) Near schools and playgrounds
b) Near sources such as lead smelters, mines, and heavily trafficked roadways
c) In urban parks
d) Near agricultural fields using organic methods
Air Pollution and Control Week 6 Nptel Quiz Answers (Jan-Apr 2025)
For answers to others Nptel courses, please refer to this link: NPTEL Assignment