Pa Emissions 20 Correctly Answered Questions Latest Update

There are two main types of Air Injection Reaction (A.I.R.) systems: one style uses an air pump while the other does not. What does the A.I.R. system without an air pump use? {Ans: Natural exhaust pulses to draw fresh air from the air cleaner into the exhaust system}What is the primary function of the Positive Crankcase Ventilation (PCV) valve? {Ans: To regulate the flow of blow-by gases being removed from the crankcas}In the Northern Region, a licensed emissions inspector is performing the visual portion of the emissions test. Which of the following emission controls is not inspected? {Ans: OBD-II Check Engine Light}What is the primary function of the Catalytic Converter? {Ans: To convert pollutants in the exhaust stream into environmentally acceptable non-pollutants}What is the primary purpose of the Air Injection Reaction (A.I.R.) System (air pump or pulse air systems)? {Ans: To provide additional oxygen to the exhaust system}When a vehicle passes a PA Emissions Inspection, who is authorized to affix the PA Emissions Inspection Certificate (emissions sticker) to the vehicle? {Ans: PA Certified Emission Inspector}