| 1. | The most efficient Otto Cycle engines run near 30 % efficiency.
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| 2. | The quantum Otto cycle refrigerators shares the same cycle with Magnetic refrigeration
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| 3. | In 1876, Nikolaus Otto patented the Otto cycle engine.
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| 4. | A four-stroke spark-ignition engine is an Otto cycle engine.
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| 5. | They are most often used with Otto cycle and Diesel cycle internal combustion engines.
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| 6. | The Otto cycle by comparison has both the heat addition and rejection at constant volume.
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| 7. | In a conventional Otto cycle engine, each cylinder performs all four strokes per cycle.
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| 8. | Jenbacher gas engines are exclusively Otto cycle units with industrial grade spark plugs providing ignition.
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| 9. | Non charged otto cycle gasoline engines for passenger cars 350 to 250 g per kWh.
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| 10. | The Otto cycle was patented in 1876, immediately recognised to have a significant practical value.
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