Combustion is the burning of an air-fuel mixture to provide energy. It requires the presence of air, fuel, and a heat source to ignite the air-fuel mixture. In the internal combustion engine that powers automobiles and trucks the combustion happens inside the engine utilzing a fuel like gasoline, diesel fuel, or natural gas.
What is the primary difference between internal and external combustion engines?
the air-fuel mix for optimum combustion |
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the type of fuel used |
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where the power is developed |
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how the fuel is ignited |