In a four stroke cycle petrol engine, the inlet valve

Question: In a four stroke cycle petrol engine, the inlet valve
[A].

opens at top dead centre and closes at bottom dead centre

[B].

opens at 20° before top dead centre and closes at 40° after bottom dead centre

[C].

opens at 20° after top dead centre and closes at 20° before bottom dead centre id) may open or close anywhere

Answer: Option B

Explanation:

No answer description available for this question.