Quiz: How much do you know about car engines?
How much do you know about car engines?
By: J. Reinoehl
Image: Shutterstock

About This Quiz

Car engines need gasoline, just like you need food. It's science! But in this quiz, we’re going to take things to the extreme and test your knowledge about engine facts that you probably don’t know. Do you feel challenged yet? Good, you should. 

The internal combustion engine is one of the great marvels of the modern world. As with any remarkable innovation or invention, it has a history, and the facts really do boggle the mind. When you’re done with this quiz, you’re going to listen to the hum of that engine in that car of yours with a whole new kind of awe and respect.

And let’s be honest, truly knowing the facts about what lies under the hood is important. For instance, did you know that the principle behind any reciprocating internal combustion engine is to put a tiny amount of high-energy fuel in a small space and ignite it, thus releasing an incredible amount of energy in the form of expanding gas? The energy that is released from an engine is enough to propel a potato 500 feet. And, that potato might just hurt someone...just saying.

Were you aware that the four-stroke combustion engine is also known as the _____ cycle? Named after Nikolaus _____ who invented it in 1867? You’re salivating now, aren’t you? Let’s get started.

Scroll to Start Quiz

About HowStuffWorks

How much do you know about how car engines work? And how much do you know about how the English language works? And what about how guns work? How much do you know? Lucky for you, HowStuffWorks is about more than providing great answers about how the world works. We are also here to bring joy to your day with fun quizzes, compelling photography and fascinating listicles. Some of our content is about how stuff works. Some is about how much you know about how stuff works. And some is just for fun! Because, well, did you know that having fun is an important part of how your brain works? Well, it is! So keep reading!

Receive a hint after watching this short video from our sponsors.