Emission Review Week 2

In what year was the Clean Air Act passed by Congress

• 1995

• 1970

• 2020

• 1990

A colorless and odorless poisonous gas produced from incomplete burning of fuel ?

• Carbon Dioxide (CO2)

• Nitrogen Oxide (NOx)

• Carbon Monoxide (CO)

• Oxygen (O2)

Where does MOST of our Air pollution come from?

• Factories

• Human Activity

• Forest Fires

• Automobiles

What percentage (%) of U.S. VOCs, NOx, and particulate emissions come from vehicles

• 70%

• 55%

• 80%

• 50%

Which gas is, Created at ground level by a chemical reaction between oxides of nitrogen (NOx) and hydrocarbons (HC) in the presence of sunlight

• Hydrocarbons (HC)

• Carbon Monoxide (CO)

• Particulates

• Ozone (O3,Smog)

This gas is Not a pollutant, but too much or too little of it can cause improper combustion

• Hydrocarbons (HC)

• Oxygen (O2)

• Carbon Dioxide (CO2)

• Ozone (O3)

Clean Air and Why

We Do What We Do

Mark ALL that apply

• Clean air is our goal.

• •New vehicles today produce 98-99% less tailpipe pollutants than in 1960s.

• Pennsylvania’s Emissions Inspection Program is part of the state’s plan to clean the air and keep it clean in the future

• We are working to reduce emissions from motor vehicles and build a better tomorrow.

Pennsylvania implemented its first emissions I/M program in the five-county Philadelphia area, the four-county Pittsburgh area, and the two-county Allentown/

Bethlehem area, in what year did this take place

• 1985

• 1995

• 2004

• 1984

What is the ideal stoichiometric air/fuel ratio is _______ to 1

• 15.1

• 17.1

• 8.1

• 14.7

What is the cause of a Lean Misfire?

• more air than fuel

• more fuel than air

• equal amounts of fuel and air

• water in the fuel air mixture