Auto & Shop Information

What are the four strokes of a four-stroke engine cycle, in order?

During which stroke does the air-fuel mixture enter the cylinder?

During which stroke does the spark plug ignite the mixture?

What engine part converts the piston's up-and-down motion into rotary motion?

What engine component controls the opening and closing of the valves?

What are the two main types of valves in an internal-combustion engine?