PA Emissions Inspection 130 Question and answers already passed 2024

PA Emissions Inspection 130 Question and answers already passed 2024 What health problems can pollution cause? - correct answer Respiratory issues What percent of air pollution is caused by vehicles? - correct answer 20% How much less air pollution do we have now than in the 1960s? (%) - correct answer 98% less What is the average thermal efficiency? (%) - correct answer 20% Where does 80% of the rest of the fuel go to? - correct answer Friction, heat, and emissions What are the 5 major pollutants? - correct answer Hydrocarbons (HC), Carbon monoxide (CO), Oxides of nitrogen (NOx), Sulfur dioxide (SO2), and particulate matter What are hydrocarbons? - correct answer Unburned fuel of carbon and hydrogen What are hydrocarbons emitted through? - correct answer Incomplete combustion and fuel evaporation What are hydrocarbons caused by? - correct answer Misfire, rich, ignition timing, engine deficiencies, and fuel injectors What has lowered hydr