It's under the hood of every car, truck and SUV, but how many people really know how one works? Do you know a spark plug from a fuel injector?
Question 1 of 30
A car engine's job is to:
Question 2 of 30
A car uses a four-stroke engine. The four strokes are:
Question 3 of 30
A device that works on the same principle as a car engine is:
Question 4 of 30
A crankshaft's job in an engine is to:
Question 5 of 30
A timing belt or timing chain links these two components together so that the valves are in sync with the pistons:
Question 6 of 30
There are three basic failures that can happen in an engine: bad fuel mix, lack of compression and:
Question 7 of 30
In a car engine's cylinder, valves let fuel in and exhaust out. The ______ moves these valves.
Question 8 of 30
A turbocharger is:
Question 9 of 30
When you turn the key to a car, the starter motor:
Question 10 of 30
When a car's engine is running, power to operate the radio, CD player, headlights and windshield wipers comes from the:
Question 11 of 30
Modern cars use internal combustion engines, but some early models used external combustion engines. What is one example of an external combustion engine?
Question 12 of 30
Why don’t we use steam engines for cars anymore?
Question 13 of 30
What’s another name for the four-stroke engine cycle?
Question 14 of 30
What are the three common ways to arrange an engine’s cylinders?
Question 15 of 30
What might happen if water gets into your gas tank?
Question 16 of 30
What happens if your car leaks or burns off all of its oil?
Question 17 of 30
What are the two main components of the engine cooling system in most cars?
Question 18 of 30
Which of these cars features a popular example of an air-cooled engine?
Question 19 of 30
Which of the following commonly uses air-cooled engines?
Question 20 of 30
What are the three common ways to deliver fuel to an engine?
Question 21 of 30
Why does a diesel engine get better mileage than a gasoline engine?
Question 22 of 30
What is the steam engine’s main advantage?
Question 23 of 30
What are two of the main advantages to a 4-cylinder engine?
Question 24 of 30
What are two other terms for engine knock?
Question 25 of 30
Name one of the causes of engine knock.
Question 26 of 30
What is an octane rating?
Question 27 of 30
What are the three functions of engine oil?
Question 28 of 30
Why does engine oil need to be changed?
Question 29 of 30
What does ECM stand for, and what does it do?
Question 30 of 30