How Stuff Works is an interesting site that answers all types of questions.
In my younger days I was admonished numerous times, “Don’t Ask Stupid Questions.” Then I got a boss who loved to say, “There Is No Such Thing As A Stupid Question, Only Stupid Mistakes.” While I didn’t think much of him as a boss, I took his saying to heart.
The How Stuff Works site will answer questions you didn’t even know to ask. Some you will wonder why they were asked but others you may find really interesting. The following is the link to the quiz section on Cars, Trucks & Engines. Check it out. You may find it interesting.
Afterwards, check out some of the other sections of the site. You never know, it may prevent a “Stupid Question / Mistake.”