Understanding Internal Combustion Engines Quiz

What is the purpose of the intake stroke in a 4-stroke engine?

• To compress the gas

• To clear the cylinder of exhaust gases

• To ignite the fuel-air mixture

• To draw a fuel-air mixture into the cylinder

What happens during the compression stroke in a 4-stroke engine?

• The piston compresses the fuel-air mixture

• The gas is ignited

• The exhaust valve opens

• The intake valve opens

Tags

NGSS.MS-PS2-2

Which stroke in a 4-stroke engine is known as the power stroke?

• Power

• Intake

• Exhaust

• Compression

What is the purpose of the exhaust stroke in a 4-stroke engine?

• To ignite the fuel-air mixture

• To draw a fuel-air mixture into the cylinder

• To clear the cylinder of exhaust gases

• To compress the gas

What is the role of the spark timing in an engine?

• To open and close the valves

• To align the piston with the cylinder

• To control the ignition of the fuel-air mixture

• To adjust the fuel-air mixture

Tags

NGSS.HS-PS1-4

What type of fuel did Everett and Mike FIRST use to run the engine?

• Kerosene

• Gasoline

• Diesel

• Propane

What did Everett and Mike replace the metal head of the engine with?

• Aluminum head

• Steel head

• Acrylic head

• Copper head