General Studies · IC Engines
In a pressure-crank angle diagram of a spark-ignition (SI) engine showing three stages of combustion (I, II, and III), which of the following statements is true?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Stage - II is known as afterburning.
- 2Stage - I is known as afterburning.
- 3Stage - I is known as ignition lag.✓
- 4Stage - III is known as propagation of flame.
Correct answer
Stage - I is known as ignition lag.
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