Internal Combustion Engine

What is the starting point of the internal combustion engine cycle?

• Crankshaft

• Cylinder

• Spark Plug

• Valves

In an internal combustion engine, what component forms a tight seal between the piston and the cylinder wall?

• Connecting Rod

• Crankshaft

• Piston Ring

• Spark Plug

The _______ transfers mechanical energy from the piston to the crankshaft.

• Cylinder

• Connecting Rod

• Spark Plug

• Valves

What is the role of the spark plug in an internal combustion engine?

• To compress the fuel mixture

• To ignite the fuel mixture

• To transfer energy to the crankshaft

• To seal the cylinder.

In the engine cycle, the explosion pushes the piston in which direction?

• Upward

• Downward

• Sideways

• Rotational

The mixture of fuel and air is pulled into the cylinder through the _______.

• Crankshaft

• Valves

• Spark Plug

• Piston Ring

The connecting rod is attached to which component?

• Cylinder

• Crankcase

• Piston

• Spark Plug

The _______ is contained within a crankcase.

• Cylinder

• Crankshaft

• Spark Plug

• Valves

What component moves upward compressing the fuel mixture in the cylinder?

• Crankshaft

• Piston

• Valves

• Spark Plug

The _______ fires and ignites the fuel mixture.

• Piston

• Spark Plug

• Connecting Rod

• Crankshaft