PA EMISSIONS INSPECTION EXAM WITH COMPLETE SOLUTIONS
100% VERIFIED!! LATEST UPDATE ALREADY GRADED A+
What health problems can pollution cause? - (ANSWER)Respiratory issues
What percent of air pollution is caused by vehicles? - (ANSWER)20%
How much less air pollution do we have now than in the 1960s? (%) - (ANSWER)98% less
What is the average thermal efficiency? (%) - (ANSWER)20%
Where does 80% of the rest of the fuel go to? - (ANSWER)Friction, heat, and emissions
What are the 5 major pollutants? - (ANSWER)Hydrocarbons (HC), Carbon monoxide (CO), Oxides of
nitrogen (NOx), Sulfur dioxide (SO2), and particulate matter
What are hydrocarbons? - (ANSWER)Unburned fuel of carbon and hydrogen
What are hydrocarbons emitted through? - (ANSWER)Incomplete combustion and fuel evaporation
What are hydrocarbons caused by? - (ANSWER)Misfire, rich, ignition timing, engine deficiencies, and fuel
injectors
What has lowered hydrocarbons? - (ANSWER)OBD 2, component controls, fuel delivery, ignition,
emissions system, and EVAPs
Can you see or smell carbon monoxide? - (ANSWER)No
Is carbon monoxide harmful or nonharmful? - (ANSWER)Harmful
How is carbon monoxide made? - (ANSWER)Incomplete burning of fuel
, PA EMISSIONS INSPECTION EXAM WITH COMPLETE SOLUTIONS
100% VERIFIED!! LATEST UPDATE ALREADY GRADED A+
What is carbon monoxide caused by?` - (ANSWER)rich, dirty air filter, fuel injectors, high fuel pressure,
defective sensors, plugged PCV valve, heat riser valve stuck open, air pump malfunction, oil diluted with
gas
How is nitrogen oxide made? - (ANSWER)Combustion of fuel at high temperatures
What is nitrogen oxide the cause of? - (ANSWER)Acid rain
What type of health issues does nitrogen oxide cause? - (ANSWER)Respiratory issues
What is nitrogen oxide caused by? - (ANSWER)lean, defective EGR, high temperature, vacuum leaks,
advance ignition timing
What can too little or too much oxygen cause? - (ANSWER)Improper combustion
What is too little oxygen caused by? - (ANSWER)rich, dirty air filter, fuel injectors, high fuel pressure,
defective sensors, restricted PCV valve, EVAP purges at idle
What is too much oxygen caused by? - (ANSWER)lean, misfire, vacuum leak, exhaust leak
Where is ozone/smog made at? - (ANSWER)Ground level
What creates smog? - (ANSWER)Oxides of nitrogen and hydrocarbons mixed together in the sunlight
What health issue can smog cause? - (ANSWER)Damaged lungs
What is particulates? - (ANSWER)Dirt, dust, etc.
100% VERIFIED!! LATEST UPDATE ALREADY GRADED A+
What health problems can pollution cause? - (ANSWER)Respiratory issues
What percent of air pollution is caused by vehicles? - (ANSWER)20%
How much less air pollution do we have now than in the 1960s? (%) - (ANSWER)98% less
What is the average thermal efficiency? (%) - (ANSWER)20%
Where does 80% of the rest of the fuel go to? - (ANSWER)Friction, heat, and emissions
What are the 5 major pollutants? - (ANSWER)Hydrocarbons (HC), Carbon monoxide (CO), Oxides of
nitrogen (NOx), Sulfur dioxide (SO2), and particulate matter
What are hydrocarbons? - (ANSWER)Unburned fuel of carbon and hydrogen
What are hydrocarbons emitted through? - (ANSWER)Incomplete combustion and fuel evaporation
What are hydrocarbons caused by? - (ANSWER)Misfire, rich, ignition timing, engine deficiencies, and fuel
injectors
What has lowered hydrocarbons? - (ANSWER)OBD 2, component controls, fuel delivery, ignition,
emissions system, and EVAPs
Can you see or smell carbon monoxide? - (ANSWER)No
Is carbon monoxide harmful or nonharmful? - (ANSWER)Harmful
How is carbon monoxide made? - (ANSWER)Incomplete burning of fuel
, PA EMISSIONS INSPECTION EXAM WITH COMPLETE SOLUTIONS
100% VERIFIED!! LATEST UPDATE ALREADY GRADED A+
What is carbon monoxide caused by?` - (ANSWER)rich, dirty air filter, fuel injectors, high fuel pressure,
defective sensors, plugged PCV valve, heat riser valve stuck open, air pump malfunction, oil diluted with
gas
How is nitrogen oxide made? - (ANSWER)Combustion of fuel at high temperatures
What is nitrogen oxide the cause of? - (ANSWER)Acid rain
What type of health issues does nitrogen oxide cause? - (ANSWER)Respiratory issues
What is nitrogen oxide caused by? - (ANSWER)lean, defective EGR, high temperature, vacuum leaks,
advance ignition timing
What can too little or too much oxygen cause? - (ANSWER)Improper combustion
What is too little oxygen caused by? - (ANSWER)rich, dirty air filter, fuel injectors, high fuel pressure,
defective sensors, restricted PCV valve, EVAP purges at idle
What is too much oxygen caused by? - (ANSWER)lean, misfire, vacuum leak, exhaust leak
Where is ozone/smog made at? - (ANSWER)Ground level
What creates smog? - (ANSWER)Oxides of nitrogen and hydrocarbons mixed together in the sunlight
What health issue can smog cause? - (ANSWER)Damaged lungs
What is particulates? - (ANSWER)Dirt, dust, etc.
