Mini-Quiz: Cylinder and Piston Drive Engines

1. What is the purpose of the cylinder-piston configuration?

   It is used to convert pressure inside the cylinder into motionThat is correct. You understand engines. It reduces the friction in a machineSorry, not correct. Try another button. It is an engineGood try, but not right. Select another answer.

2. How is the piston driven in a gasoline engine?

   Gasoline expands and lubricates the motionOops! Wrong answer. Re-read the question and try again. It is the cylinder that is driven in a gasoline engineSorry, not correct. Try another button. The air-fuel mixture explodes and creates pressure to drive the pistonCorrect. You are doing great!

3. What happens in a reciprocating engine?

   The piston is driven back into the cylinder to repeat the processThat is correct. You understand engines. Reciprocal elements are used to increase efficiencyGood try, but not right. Select another answer. The gas explodes and drives the piston out of the cylinderOops! Wrong answer. Re-read the question and try again.

Pick an answer to see instant feedback. Re-read the lesson if you miss one.