MCQOPTIONS
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MCQOPTIONS
| 1. |
THE_EXHAUST_VALVE_IN_A_FOUR_STROKE_CYCLE_PETROL_ENGINE?$ |
| A. | opens at 50º before bottom dead center and closes at 15º after top dead center |
| B. | opens at bottom dead center and closes at top dead center |
| C. | opens at 50º after bottom dead center and closes at 15º before top dead center |
| D. | may open or close anywhere |
| Answer» B. opens at bottom dead center and closes at top dead center | |