Title: Explain the differences between a two-stroke and a four-stroke engine.
Course: Introduction to Power, Structural, and Technical Systems (18401) > Section: Identifying Fundamentals of Engines

Explanation should include fuel mixture and lubrication system events and how they occur in each type of engine.

Process/Skill Questions:

- Why does oil have to be mixed with fuel for a two-stroke engine?
- How many piston movements does it take to complete all processes in a two-stroke engine?
- How many degrees does the crankshaft turn on a four-stroke engine to complete all five events?
- What are the advantages and disadvantages of a four-stroke engine compared to a two-stroke engine?