During the Four-Stroke Cycle, Which Event Is LEAST-Likely to Occur

question 10

Multiple Choice

During the four-stroke cycle, which event is LEAST-Likely to occur during the power stroke?

• A)The piston moves back up, forcing any remaining exhaust gas from the cylinder through the open exhaust valve.
• B)The burning fuel expands rapidly.
• C)The piston moves back down in the cylinder.
• D)The exhaust valve opens as the piston approaches the bottom of its travel.

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