In a four stroke cycle diesel engine, the exhaust valve

Question: In a four stroke cycle diesel engine, the exhaust valve
[A].

opens at 30° before bottom dead cnetre and closes at 10° after top dead centre

[B].

opens at 30° after bottom dead centre and closes at 10° before top dead centre

[C].

opens at bottom dead centre and closes at top dead centre

[D].

may open and close anywhere

Answer: Option A

Explanation:

No answer description available for this question.