Two-Stroke Engines vs. Four-Stroke Engines Quiz

What is one of the main differences between two-stroke and four-stroke engines?

• The number of pistons

• The color of the engines

• The type of fuel used

• The process of converting fuel into motion

How many strokes does a two-stroke engine have during one crankshaft revolution?

• Two

• Four

• One

• Six

During which stroke in a four-stroke engine is the air/fuel mixture ignited?

• Intake Stroke

• Compression Stroke

• Power Stroke

• Exhaust Stroke

What happens during the Compression stroke of a two-stroke engine?

• The exhaust valve opens to expel exhaust gases

• The spark plug fires and ignites the air and fuel mixture

• The air and fuel mixture is compressed in the combustion chamber

• The piston moves down to let air/fuel mixture enter

How many revolutions of the crankshaft are required to complete the cycle in a four-stroke engine?

• Four

• One

• Two

• Three

What is drawn into the cylinder during the Intake Stroke of a four-stroke engine?

• A mixture of air and oil

• Only air

• Exhaust gases

• A mixture of air and fuel

In a two-stroke engine, when does the combustion occur?

• During the Power stroke

• During the Exhaust stroke

• During the Intake stroke

• During the Compression stroke

Which of the following is NOT a component of the two-stroke engine process?

• Compression stroke

• Spark plug

• Power stroke

• Intake valve