You've often heard the distinctive whine of a diesel engine as a semi-truck accelerates away from a stop light, or smelled the diesel exhaust of a ferryboat, but how much do you really know about diesel engines? Find out with this diesel engine quiz.
Question 1 of 30
The diesel engine was invented by…
Question 2 of 30
In a diesel engine, what causes the fuel-air mixture in the cylinder to combust?
Question 3 of 30
The largest diesel engine in the world is the Wärtsilä-Sulzer RTA96-C, used by the Emma Mærsk container ship. How much horsepower can it produce?
Question 4 of 30
Why are some diesel engines difficult to start in cold weather?
Question 5 of 30
What is often used in diesel engines to make cold starts easier?
Question 6 of 30
How is the power of diesel engines in railway locomotives transmitted to the wheels?
Question 7 of 30
The fastest diesel locomotive ever made was the Soviet TEP80. How fast did it go to set the record?
Question 8 of 30
How do modern diesel engines accomplish cold starts without using a glowplug?
Question 9 of 30
When was the diesel engine invented?
Question 10 of 30
What inspired Rudolf Diesel to invent a new kind of engine?
Question 11 of 30
What's the first step in a diesel engine's combustion process?
Question 12 of 30
Using a separate chamber outside the cylinder to vaporize fuel is known as…
Question 13 of 30
Which type of engine has the highest compression ratio?
Question 14 of 30
Indirect injection makes it possible for one engine design to do what?
Question 15 of 30
What percentage of shipped freight relies on diesel?
Question 16 of 30
Why does diesel fuel evaporate slower than gasoline?
Question 17 of 30
Which of the following technologies has helped reduce some of diesel's harmful emissions?
Question 18 of 30
What's biodiesel made from?
Question 19 of 30
A diesel-powered car completed what amazing feat in 1931?
Question 20 of 30
Diesel-electric engines were vital to the development of what military technology?
Question 21 of 30
In some diesel engines, both the exhaust and intake processes happen on the same piston stroke. These engines are known as...
Question 22 of 30
A diesel engine helped set a world record of 222 mph at the Bonneville Salt Flats in 2002 for the world's fastest what?
Question 23 of 30
Why are diesel engines considered more reliable than gasoline engines in damp environments, such as on a boat?
Question 24 of 30
What is the common rail in a common rail injection system?
Question 25 of 30
What race did a diesel-powered car win in 1998?
Question 26 of 30
What is winterized diesel fuel?
Question 27 of 30
The Jumo 205 diesel engine is famous for being used in what application?
Question 28 of 30
One of the primary pollutants in most types of diesel fuel is…
Question 29 of 30
Diesel engines are generally more efficient than gasoline engines, but they're especially efficient under what conditions?
Question 30 of 30