The exhaust valve in a four stroke cycle petrol engine Options: A . &nbspOpens at 50° before bottom dead center and closes at 15° after top dead center B . &nbspOpens at bottom dead center and closes at top dead center C . &nbspOpens at 50° after bottom dead center and closes at 15° before top dead center D . &nbspMay open and close anywhere

The exhaust valve in a four stroke cycle petrol engine

Question

The exhaust valve in a four stroke cycle petrol engine

Options:

A . Opens at 50° before bottom dead center and closes at 15° after top dead center

B . Opens at bottom dead center and closes at top dead center

C . Opens at 50° after bottom dead center and closes at 15° before top dead center

D . May open and close anywhere

Answer: Option A

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