PA Emissions Inspection 130 Questions with Complete Solutions 100% Verified

PA Emissions Inspection 130 Questions with Complete Solutions 100% Verified 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 hydrocarbons? - Correct Answer OBD 2, component controls, fuel delivery, ignition, emissions system, and EVAPs Can you see or smell carbon monoxide? - Correct Answer No Is carbon monoxide harmful or nonharmful? - Correct Answer Harmful How is carbon monoxide made? - Correct Answer Incomplete burning of fuel