* 1. Which of the following does not retain the wrist pin in the piston?

* 2. Which of the following is not an Aluminum alloy used for pistons?

* 3. Which of the following is a "fashionable" design feature of all pistons?

* 4. Which of the following is not a type of piston crown?

* 5. What is the purpose of a gas port?

* 6. What is the purpose of an accumulator groove?

* 7. In a boosted application, which piston crown style would be most effective  in lowering compression ratio?

* 8. Which best describes an asymmetrical piston skirt design?

* 9. Which piston ring would provide the least amount of friction?

* 10. Which JE Pistons coating best reflects heat?

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