Physics · IC Engines
Consider the following statements regarding the valve timing of a typical internal combustion engine: Statement A: For a low-speed engine, the intake valve closes 60 degrees after bottom dead centre (ABDC), while for a high-speed engine, it closes 10 degrees ABDC. Statement B: The exhaust valve opens around 40 to 70 degrees before bottom dead centre (BBDC), reducing the cylinder pressure significantly before the exhaust stroke begins. Which of the statements given above is/are true?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Neither A nor B is true
- 2Both A and B are true
- 3Only A is true
- 4Only B is true✓
Correct answer
Only B is true
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