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Doctors Medicines MCQs Q&A

  1. Starts at top dead center and ends at bottom dead center
  2. Starts at 30° before top dead center and ends at 50° before bottom dead center
  3. Starts at 30° after top dead center and ends at 50° after bottom dead center
  4. May start and end anywhere
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1 Answers

Answer: Option 2

In a four stroke cycle petrol engine, the expansion Starts at 30° before top dead center and ends at 50° before bottom dead center

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