During the exhaust stroke, just before the piston reaches bottom dead center the exhaust valve opens. The resulting gases from combustion are then pushed out through the exhaust valve as the piston travels up the cylinder to top dead center, completing stroke four of the four-stroke piston cycle.
Which of the following is the correct order for the engine stroke cycle?
power, intake, compression, exhaust |
|
compression, intake, power, exhaust |
|
intake, power, compression, exhaust |
|
intake, compression, power, exhaust |