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| Q. |
Which one of the following is a correct statement |
| A. | the exhaust valve of a four stoke I.C. engine should open exactly at the end of expansion stroke |
| B. | in actual practice, inlet valve of a four stroke I.C. engine should open exactly at the start of suction stroke |
| C. | the inlet valve remains open approximately for 180? |
| D. | valve overlap is the angle during which both the inlet and exhaust valves remain open simultaneously |
| E. | None of the above |
| Answer» D. valve overlap is the angle during which both the inlet and exhaust valves remain open simultaneously | |
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