Diesel engine

High school (ages 12+)
Transportation

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/diesel-engine

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the inventor?Rudolf Diesel
2. What is the year of patent?1892
3. How does a diesel engine make a truck move?In a diesel engine, air is squeezed very tight in the cylinder, making it hot. Then diesel fuel is sprayed in, it lights up by itself, and the explosion pushes the piston down to turn the truck’s wheels.
4. Why do diesel engines use compression instead of spark plugs?Compression makes the air very hot, so the fuel can ignite on its own. This gives the engine more power and uses fuel more efficiently.

Compression-ignition: A process where fuel ignites spontaneously due to the high temperature achieved by compressing air within a cylinder.
Torque: The rotational force produced by an engine, essential for heavy-duty applications requiring significant pulling power.
Thermodynamic Efficiency: The measure of how effectively an engine converts heat energy into mechanical work.
Exhaust After-treatment: Systems designed to reduce harmful emissions from engine exhaust gases.