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Carburetors Flashcards | StudBud
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Carburetors
Carburetors
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Practice quiz
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Questions
25
Answers
1
The air is moving from right to left in the photo.
False
True
2
the venturi effect is a specific example of Bernoulli's principle of fluid dynamics.
False
True
3
Venturi is an increase in velocity and a decrease in pressure when passing though a constriction.
False
True
4
What is number four pointed at?
Main jet
Throttle Shaft
Choke Shaft
Main Nozzle
5
What is number two pointed at?
Choke Shaft
Bowl vent
Float
Throttle shaft
6
What does the main jet do?
none of the above
Controls fuel entering the main nozzle
controls jet speed on the engine
Controls fuel entering the bowl
7
where is the majority of the fuel in a carbuertor located?
Inlet needle
Floats
Bowl
Main Nozzle
8
What does the throttle shaft do?
Allows more airflow into the main chamber
Allows more of the fuel and air mixture to be moved to the cylinder
Pumps more fuel into the chamber
None of the above
9
What is number five pointed at?
Bowl vent
Choke Shaft
Main Jet
Inlet Needle
10
What does the choke shaft do?
Limits air in the chamber for a richer mixture for starting
Lets more air into the chamber for a leaner mixture for starting
None of the above
Pumps more fuel into the chamber
11
I am going to get 100% on Monday's Quiz.
True
False
12
Internal combustion engines run on liquid fuel
True
False
13
What do the transition holes do?
Allows fuel and air mixture into the idle circuit
allows fuel into the main nozzle
Allows fuel and air mixture into the piston
All of the above
14
What is number seven pointed at?
Choke Shaft
None of these
Throttle shaft
Bowl vent
15
The air filter is what creates the airflow through the carburetor.
True
False
16
What does the bowl vent do?
Allows air into the bowl to stabilize the air pressure in the bowl.
Allows air into the main nozzle.
Vents the choke
Vents the fuel tank
17
What is number six pointed at?
Throttle shaft
Float
Choke shaft
Bowl
18
What does the float do?
Controls the air intake
Controls the fuel level in the venturi chamber
Controls the fuel in the fuel tank.
Controls the fuel level in the bowl
19
High pressure = High speed
False
True
20
what does the main nozzle do?
allows for the venting of the bowl
transfers fuel from tank to bowl
takes air from the intake and pushes it across the main chamber.
takes fuel from the bowl to the chamber of the carb to be mixed with air.
21
What does the inlet needle do?
Creates the Venturi effect
Controls the fuel that goes into the bowl.
Allows fuel into the main nozzle
Controls Air going into the carb
22
What is number one pointed at?
Inlet Needle
Main Jet
Bowl Vent
Main Nozzle
23
Low pressure = Low speed
True
False
24
What is number three pointed at?
Main Jet
Main Nozzle
Float
Inlet Needle
25
what does the idle mixture screw do?
Adjusts the volume of oxygen allowed into the carburetor
Adds air to the carberator
Adjusts the volume of fuel allowed into the carburetor
Adds fuel to the bowl
