OZS U7 Combustion engines

The engine is a .................... .

Internal combustion engines are two stroke and ....................... .

The fuel for combustion motors is ............. .

Gasoline engine ................... is 25 percent.

​ (a)   ​ connects the piston to the crankshaft.

• The connecting rod
• The space
• Electric motor

Piston rings seal the space between the piston and cylingder​ (a)  

• wall.
• spark.
• mixture.

Diesel is ​ (a)   into the cylinder at the end of the ​ (b)   phase.

• injected
• used
• burnt
• second
• first
• third

The ................. engines draw in a mixture of gasoline and air.

The mixture is ignited by an electrical ............ .

​ (a)   occurs at the spark plug.

• The spark
• The mixture
• The gasoline engines