Gasoline is derived from crude oil or petroleum and is made up of hydrogen and:
An average mixture of air to gasoline for a moderate cruising speed is approximately:
An average mixture in the question above, of air to gasoline for a moderate cruising speed is based on:
The charcoal canister in the emissions system is used to reduce the amount of __________ that is released to the atmosphere.
The maximum amount of pressure the fuel pump exerts on the fuel line to the carburetor depends on the:
The advantage of an electric fuel pump over a manual pump is that the electric fuel pump can:
The device that controls fuel entry into a carburetor by adjusting a needle position relative to its seat in a fuel bowl is known as a (n):
The main discharge tube runs from the ________ ___________ through the metering jets, to the air intake above the carburetor venturi.
A carburetor has a(n) ____________ circuit, which is needed to provide a rich mixture for cold starting:
The carburetor''s low speed circuit functions when the vehicle is at low speed and:
The main jets and metering rods controls the amount of fuel that is metered into the ________ ___________ in the air horn and carburetor''s venturi:
The item used to prevent a "flat spot" or "hesitation" and inject more fuel when the throttle is snapped to the full open position is known as a (n):
Some carburetors incorporate a slot-shaped opening just above the idle screw port, this opening is referred to as the:
In an accelerator pump what controls the speed of the piston movement?
Technician A says that a thermostatic (bimetallic) spring is used in a manual choke system. Technician B says that a choke stove in the intake manifold is sometimes used to heat the thermostatic spring. Who is correct?
To increase the RPM of the engine when cold, a(n) ____________ is used to keep the throttle partially open when the choke is activated:
There are three types of vacuum created by an engine and carburetor: 1/ in the intake manifold below the throttle plates, and 2/ in the carburetor''s venturi, and 3/ the ported vacuum.
A loose carburetor mounting to the intake manifold may cause:
How many "circuits" are there in most automotive carburetors?
When a carburetor throttle butterfly valves move toward the full throttle position, what is increasing the fuel to supply more power as required?
What is the purpose of a venturi in a carburetor?
In a carburetor, a low float level would result in:
A carburetor is assisted in preventing throttle plate icing and to help atomize fuel in cold weather start-ups with:
What is the function of the automatic choke?
If the technician is not familiar with removing a particular carburetor, which of the following should be done first?
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