Carburetor Unit Quiz

Where is the float chamber located?

• In the bottom of the carburetor.

• In the top of the carburetor.

• On top of the engine.

• In the sump of the engine.

What does air pressure do within a carburetor?

• It pushes down on the fuel, sending it up into the throttle body.

• It pushes the fuel through the venturi.

• It pulls the fuel through the venturi.

• It creates a vacuum within the carburetor.

What is the name of the narrowing or restriction inside the carburetor?

• The close space.

• A venturi

• A ventricle

• A velocity space.

What is the purpose of a gasket?

• To seal the gap between 2 metal parts.

• To keep a bolt thread from moving.

• To reduce vibration between 2 parts.

• To make the fit and finish of the parts look more professional.

What is the purpose of the float?

• It smooths the flow of the gas.

• It creates turbulence inside the bell housing.

• It automatically meters the fuel supply to the engine.

• It holds the needle valve.

What is the purpose of the air cleaner?

• To filter dirt and impurities.

• To control the throttle valve.

• To provide additional air for combustion.

• To regulate the flow of fuel.

What is the purpose of the throttle valve in a carburetor?

• To regulate the airflow into the engine.

• To control the fuel mixture.

• To adjust the idle speed.

• To cool the engine.

What is the purpose of the choke in a carburetor?

• To enrich the air-fuel mixture during cold starts.

• To control the throttle valve.

• To regulate the flow of fuel.

• To increase engine compression.

Which component of a carburetor controls the amount of air-fuel mixture entering the engine?

• Venturi

• Float chamber

• Throttle plate or butterfly

• Jet nozzle

Intake is what stage of the 4-cycle engine internal combustion engine?

• 1st

• 2nd

• 3rd

• 4th