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Describe the working of four stroke C. I. engine with neat sketch.
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Working principle of CI engine:

  1. Suction stroke: During this stroke, inlet valve is open and exhaust valve is closed.Only air is sucked into cylinder during this stroke. The piston moves from TDC to BDC and crank shaft rotates through 180˚.

  2. Compression Stroke: The air inducted in the cylinder is compressed …

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