Internal Combustion Engine Strokes Quiz

Match the strokes of a four stroke engine to their definition.

• Compression

• the burning gases expand and push the piston down

• Power

• the cylinder must be filled with a flammable mixture of air and fuel

• Intake

• the burned mixture must be removed from the cylinder

• Exhaust

• mixture of air/fuel must be compressed into a smaller space and ignited by a spark

During the intake stroke, the piston starts at ___.

During the compression stroke, the piston starts at ___.

During the power stroke, the piston starts at ___.

During the exhaust stroke, the piston starts at ___.

During the intake stroke, the piston ends the stroke at ___.

During the compression stroke, the piston ends the stroke at ___.

During the power stroke, the piston ends the stroke at ___.

During the exhaust stroke, the piston ends the stroke at ___.

During the intake stroke, the intake valve is ____.