What is the primary purpose of a gasoline car engine?

• To convert gasoline into heat

• To convert gasoline into water

• To convert gasoline into motion

• To convert gasoline into electricity

What type of engine is most commonly used in cars?

• External combustion engine

• Internal combustion engine

• Steam engine

• Electric engine

What is the four-stroke combustion cycle also known as?

• Diesel cycle

• Otto cycle

• Rankine cycle

• Brayton cycle

Which component ignites the air/fuel mixture in a gasoline engine?

• Crankshaft

• Piston

• Spark plug

• Fuel injector

What happens during the compression stroke of an engine?

• The spark plug ignites the mixture

• Air and fuel are expelled

• Air and fuel are mixed

• The air/fuel mixture is compressed

What is the function of piston rings?

• To cool the engine

• To ignite the fuel

• To seal the combustion chamber

• To connect the piston to the crankshaft

What is a common problem that can prevent an engine from starting?

• Overheated engine

• Excessive air intake

• Bad fuel mix

• Too much oil in the engine

What does the crankshaft do in an engine?

• Ignites the fuel

• Converts linear motion to rotational motion

• Cools the engine

• Filters the oil

What is the primary function of the timing belt in an engine?

• To transfer power from the engine to the wheels

• To synchronize the rotation of the crankshaft and camshaft

• To cool the engine components

• To filter the oil in the engine

What is the purpose of a turbocharger?

• To increase fuel efficiency

• To pressurize incoming air

• To cool the engine

• To ignite the fuel