How it works
What drives a turbocharger, and why is a lifting jack called a jack? These mechanic trivia questions are about how a car works and the tools of the shop. No make or model is an answer.
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Car mechanic trivia questions, system by system
Inside the engine follows the four strokes, the camshaft and the turbocharger. Gears, brakes and wheels runs from the clutch to the lug nuts. Sparks, fluids and gauges covers the battery, the coolant and the check engine light.
Basic mechanic knowledge trivia questions and answers
Tools of the shop asks what a feeler gauge, a creeper and a torque wrench are for. Units and words of the trade takes in horsepower, torque, octane and displacement, and where the words tire and mechanic come from.
- Run Units and words of the trade last: it is the round a shop argues over.
Questions and answers
What are some easy mechanic trivia questions?
Which part sets the fuel alight in a gasoline engine? What do British drivers call a muffler? Which simple tool shows how much oil is in an engine? The answers are the spark plug, a silencer and a dipstick.
What are the four strokes of an engine?
Intake, compression, power and exhaust. The piston draws in fuel and air, squeezes it, is driven down when it burns and pushes out the spent gas. The crankshaft turns twice in one full cycle.
What is the difference between horsepower and torque?
Torque is twisting force, measured in newton-meters or pound-feet. Horsepower is power, how fast work is done. Multiply torque in pound-feet by engine speed in rpm and divide by 5,252 to get horsepower.
How were the answers checked?
Every answer was found on October 9, 2026 in the English Wikipedia article linked beside it. With 57 articles in all, none gives more than two questions. Repair steps, torque figures and service intervals were left out.