When the air-fuel mixture is ignited during normal combustion, a ____ travels across the combustion chamber and pushes the piston down in the cylinder.

Question

Quizplus · Accepted Answer

The flame front is the region where the combustion reaction is occurring and is responsible for pushing the piston down in the cylinder during normal combustion. A surge is a sudden, temporary increase in pressure or flow, while a spark is used to initiate combustion in the first place. Run-on refers to an engine that continues to run after the ignition has been turned off.

When the Air-Fuel Mixture Is Ignited During Normal Combustion, a ____