| 41. | In the forced-air system a steel combustion chamber is surrounded by an air-filled chamber.
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| 42. | In more complex engines the fuel may be injected directly into the combustion chamber.
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| 43. | Pre-ignition and engine knock both sharply increase combustion chamber temperatures.
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| 44. | They accomplished this task by cooling down the combustion chamber during certain driving conditions.
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| 45. | There are nine combustion chambers positioned in a can-annular arrangement.
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| 46. | The Belpaire firebox included a combustion chamber and the boiler pressure was a high.
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| 47. | The intake and exhaust valves were located at the top of each combustion chamber.
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| 48. | The biggest difference is the port layout and the valve angle, and combustion chamber design.
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| 49. | This delay ensures reliable ignition in the combustion chamber.
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| 50. | Direct-injected engines have these glowplugs in the combustion chamber.
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