What is the correct sequence of operations in the four-stroke Otto cycle?
Answer
Intake, compression, power, exhaust
The four-stroke cycle, perfected in 1876, organizes the engine's movement into four specific phases. First, the intake stroke draws the fuel and air mixture into the cylinder. Second, the compression stroke squeezes this mixture to increase potential energy. Third, the power or ignition stroke occurs when the mixture is ignited, driving the piston with great force. Finally, the exhaust stroke clears the spent gases to prepare the cylinder for the next cycle, creating a repeatable and efficient loop.
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Running Model of Very First Otto Langen. 1876 internal combustion ...
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