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Which has more mechanical efficiency betn 2-strock &4-strock
IC engine & why?
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Answer Posted / suresh
fuel is burnt more efficiently in 4 stroke, as there is no overlap of strokes.
In 2 stroke, there is overlap of power stroke & exhaust stroke, wherein complete benefit of power stroke is not obtained. There is a little bit of power wastage.
Therefore 4 stroke engine is more efficient.
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