Internal Combustion Engines - Mechanical Engineering Questions and Answers

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In a four stroke cycle petrol engine, the expansion

Starts at top dead center and ends at bottom dead center

Starts at 30° before top dead center and ends at 50° before bottom dead center

Starts at 30° after top dead center and ends at 50° after bottom dead center

May start and end anywhere

Answer : Option B

Explanation :

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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