MCQOPTIONS
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MCQOPTIONS
| 1. |
In a typical medium speed 4-stroke cycle diesel engines |
| A. | Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center |
| B. | Exhaust valve opens at bottom dead center and closes at top dead center |
| C. | Exhaust valve opens just after bottom dead center and closes just before top dead center |
| D. | May open and close anywhere |
| Answer» B. Exhaust valve opens at bottom dead center and closes at top dead center | |