Flashcards
What components are in the main metering system
Throttle valve Venchuri Main discharge nozzle Main metering jet Air bleed system
What are the types of idle control systems
Idle metering jet
Idle air bleed
Idle mixture control
Idle discharge port
What are the types of mixture controls
Variable orfice
Back suction
Automatic mixture control
What are the types of variable orfice
Needle value
Step cut rotary
What are the types of acceleration systems
Acceleration pump
Acceleration well
What are the type of power enrichment systems
Needle type
Air bleed type
What are the carborator limitations
Throttle ice
Fuel evaporation
What can the types of carborators also be called
Updraft
Downdraft
What are the mixture control positions
Full rich
Idle cutoff
Best power
Best economy
What are the two types of carburetors
Float
Pressure
What are the metering systems
Main metering Idling Mixture control Acceleration system Power enrichment
What are the components to the float carburetors
Fuel screen
Needle seat
Needle valve
Fuel level
What does the air bleed system do
Destroys surface tension and promotes fuel vaporization
What does the variable orifice do
Physically limits the volume of air
What does back suction do
Controls the pressure difference between the float chamber and Venturi
