Weegy: In a gasoline engine, the area in the cylinder head where the air-and-fuel mixture is burned is called the Combustion chamber.
User: During the stage of internal combustion engine operation in which the piston rises and compresses the fuel in the combustion chamber,
A. both the intake and exhaust valves are open.
B. the intake valve is open and the exhaust valve is closed.
C. both the intake and exhaust valves are closed.
D. the exhaust valve is open and the intake valve is closed.
Weegy: During the stage of internal combustion engine operation in which the piston rises and compresses the fuel in the combustion chamber : both the intake and exhaust valves are closed.
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