10 Questions
What is the primary component of gasoline in an engine?
Hydrocarbons
What is the undesirable byproduct of the nitrogen reacting with oxygen during the combustion process?
Nitrogen oxides (NOx)
What is the ideal air/fuel ratio for optimum emissions, fuel economy, and good engine performance?
14.7:1
What are the two primary byproducts of the combustion of hydrocarbons in fuel?
Water vapor (H2O) and carbon dioxide (CO2)
What must one have a working knowledge of in order to diagnose and repair the emissions control system in an engine?
Basic combustion chemistry
What is the primary component of gasoline in an engine?
Hydrocarbons
What is the ideal air/fuel ratio for optimum emissions, fuel economy, and good engine performance?
14.7 pounds of air for every one pound of fuel
What are the two primary byproducts of the combustion of hydrocarbons in fuel?
Water vapor and carbon dioxide
What happens when the nitrogen in fuel reacts with oxygen during the combustion process?
Nitrogen oxides (NOx) are formed
What must one have a working knowledge of in order to diagnose and repair the emissions control system in an engine?
Basic combustion chemistry
Test your knowledge of combustion chemistry and emissions control system diagnostics in this quiz. Learn about hydrocarbons, engine combustion, and the chemicals involved in gasoline burning. Gain insights into diagnosing and repairing the emissions control system in engines.
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