Carburetors and Fuel Systems

What is number 1 pointing to?

• Fuel / Air Mixture

• Fuel

• Air

• Choke

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-5

What is number 2 pointing to?

• choke

• throttle

• air

• air / fuel mixture

What is number 3 pointing to?

What is number 5 pointing to?

• choke

• throttle

• fuel

• air / fuel mixture

Why is gasoline actually not that great of a fuel?

• high knocking index and low octane levels

• low knocking index and high octane levels

• its not very well refined

• it is a good fuel

Why do Hydroxyls burn more efficiently than hydrocarbons?

• they contain more oxygen

• they burn hotter

• they have a bigger knocking index

• they burn slower

Tags

NGSS.MS-PS1-4

Why do we add ethanol to our gasoline?

• helps reduce the knocking index and burn more efficiently

• increase the heat of the explosion

• decrease emissions

• intentionally burn out our gaskets

Tags

NGSS.HS-ESS3-1

NGSS.HS-ETS1-3

In what part of the carburetor does the Venturi effect happen in?

• the idle circuit

• the emulsion tube

• the fuel bowl

• the throat

In what part of the carburetor does Bernoulli's principle happen?

• the emulsion tube

• the throttle

• the fuel bowl vent

• the high speed air bleed

What does the high speed or emulsion tube air bleed do?

• bring air into the emulsion tube

• bring gas up and around the throttle

• bring air into the fuel bowl

• bring fuel up the emulsion tube