APES Video Notes & Qsts Smedes 7.6 z - Air Pollution Reduction

Which of the following is NOT listed as a way to reduce emissions?

• Riding bikes instead of driving cars

• Using more coal-fired power plants

• Conserving electricity

• Eating less meat

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What does the Clean Air Act allow the EPA to do?

• Close factories that produce air pollutants

• Ban all air pollutants

• Set acceptable levels of six different criteria air pollutants

• Mandate the use of electric cars

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NGSS.HS-ESS3-4

NGSS.HS-ETS1-3

What do CAFE vehicle standards regulate?

• The maximum speed cars are allowed to travel

• The total number of cars a company can produce

• The average fuel economy of a fleet of vehicles

• The color of cars to reduce heat absorption

How do pollution credits work?

• Companies buy credits to pollute more

• Companies earn credits by planting trees

• Less polluting companies sell credits to more polluting companies

• All companies are given an equal number of credits

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NGSS.HS-ESS3-4

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What is a vapor recovery nozzle used for?

• To measure the amount of fuel dispensed

• To increase the speed of fueling vehicles

• To capture volatile organic compounds at gas stations

• To reduce the cost of gasoline

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What does a catalytic converter do?

• Captures carbon dioxide from the atmosphere

• Increases fuel efficiency by 50%

• Reduces the noise produced by a vehicle

• Converts carbon monoxide into carbon dioxide

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NGSS.HS-ESS3-4

How does using crushed limestone in coal-fired power plants reduce pollution?

• It increases the efficiency of coal burning

• It acts as a fuel substitute

• It reduces the amount of coal needed

• It captures sulfur dioxide as calcium sulfate

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NGSS.HS-ESS3-4

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What is the purpose of fluidized bed combustion?

• To create a more comfortable bed for sleeping

• To increase the amount of electricity generated

• To reduce the level of NOx by lowering combustion temperatures

• To capture carbon dioxide emissions

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NGSS.HS-ESS3-4

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What do wet and dry scrubbers remove from emissions?

• Only particulate matter

• NOx, SOx, and VOCs

• Only carbon dioxide

• Only water vapor

How does an electrostatic precipitator work?

• By cooling the emissions stream

• By using a negatively charged electrode to attract particles

• By filtering emissions through water

• By converting pollutants into harmless gases