General Studies · IC Engines and Emissions
Which of the following emissions is characteristically high and a major challenge primarily in Compression Ignition (CI) engines compared to Spark Ignition (SI) engines?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Carbon monoxide
- 2Carbon dioxide
- 3Particulate matter and soot✓
- 4Unburnt hydrocarbons
Correct answer
Particulate matter and soot
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