General Studies · Emission Control Systems
What is the primary function of an Exhaust Gas Recirculation (EGR) valve in an automobile?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To reduce pure Nitrogen (N2)
- 2To reduce Carbon Dioxide (CO2)
- 3To reduce Nitrogen Oxides (NOx)✓
- 4To reduce unburnt Hydrocarbons (HC)
Correct answer
To reduce Nitrogen Oxides (NOx)
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