Podcast
Questions and Answers
Which method involves preventing or minimizing pollutant formation and emissions at the source itself?
Which method involves preventing or minimizing pollutant formation and emissions at the source itself?
- Raw material substitution (correct)
- Gravitational settling chambers
- Diffusion through tall stacks
- Absorption
Which device is used to remove gaseous and particulate contaminants from the gas stream?
Which device is used to remove gaseous and particulate contaminants from the gas stream?
- Electrostatic precipitators (correct)
- Fabric filters
- Cyclone separators
- Incineration
What role can vegetation play in controlling air pollution?
What role can vegetation play in controlling air pollution?
- Generating particulate contaminants
- Producing gaseous pollutants
- Releasing carbon dioxide
- Utilizing carbon dioxide (correct)
Which method involves the utilization of absorption, adsorption, and incineration?
Which method involves the utilization of absorption, adsorption, and incineration?
What can aid in pollution control by zoning industrial areas away from residential areas?
What can aid in pollution control by zoning industrial areas away from residential areas?
Which of the following is an example of a secondary pollutant?
Which of the following is an example of a secondary pollutant?
Which of the following is a direct emission from sources?
Which of the following is a direct emission from sources?
Which compound is directly emitted into the atmosphere from sources as a primary pollutant?
Which compound is directly emitted into the atmosphere from sources as a primary pollutant?
Which type of combustion source produces a mixture of oxides of carbon, fly ash, nitrogen, and sulfur?
Which type of combustion source produces a mixture of oxides of carbon, fly ash, nitrogen, and sulfur?
Which pollutant is formed from reactions of H2SO4 and HNO3 droplets with NH3?
Which pollutant is formed from reactions of H2SO4 and HNO3 droplets with NH3?
